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      <marc:subfield code="a">NR24-28/1977E-PDF</marc:subfield>
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      <marc:subfield code="a">NR24-28/2-1978E-PDF</marc:subfield>
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      <marc:subfield code="a">National Building Code of Canada 1977 / </marc:subfield>
      <marc:subfield code="c">issued by the Associate Committee on the National Building Code.</marc:subfield>
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    <marc:datafield tag="246" ind1="1" ind2="3">
      <marc:subfield code="a">Revision series no. 1 to the National Building Code of Canada 1977</marc:subfield>
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    <marc:datafield tag="246" ind1="1" ind2="3">
      <marc:subfield code="a">Revisions to the Supplement no. 2, Fire performance ratings 1977</marc:subfield>
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      <marc:subfield code="a">Seven edition, 2nd printing.</marc:subfield>
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      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">National Research Council of Canada, </marc:subfield>
      <marc:subfield code="c">1977-1978.</marc:subfield>
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      <marc:subfield code="a">1 online resource (xix, 374 pages) + </marc:subfield>
      <marc:subfield code="e">1 revision (3 unnumbered pages)</marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="2">rdamedia</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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      <marc:subfield code="a">"June 1978"--Revision.</marc:subfield>
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      <marc:subfield code="a">Contract No.: 09KT. 31077-7-1131.</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Code national du bâtiment du Canada, 1977.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references and index.</marc:subfield>
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      <marc:subfield code="a">"The National Building Code of Canada is published by the National Research Council through its Associate Committee on the National Building Code. It comprises a model set of regulations for ensuring public safety in buildings and is written in legal form so that it can be adopted or enacted by appropriate legislative authorities in Canada. Work on the seventh edition of this Code, as in previous editions, has been carried out with the voluntary assistance of the many experts from coast to coast who contribute to the operation of the Associate Committee on the National Building Code, thus ensuring that the Code keeps pace with advances in building technology"--Preface, page ix.</marc:subfield>
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      <marc:subfield code="a">Building laws</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
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      <marc:subfield code="a">Buildings</marc:subfield>
      <marc:subfield code="x">Standards</marc:subfield>
      <marc:subfield code="z">Canada.</marc:subfield>
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      <marc:subfield code="a">National Research Council of Canada. </marc:subfield>
      <marc:subfield code="b">Associate Committee on the National Building Code, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="t">Code national du bâtiment du Canada, 1977 / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.946776</marc:subfield>
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      <marc:subfield code="t">National Building Code of Canada 1980 / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.946907</marc:subfield>
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      <marc:subfield code="t">National Building Code of Canada 1975 / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.946699</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">19.1 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/cnrc-nrc/NR24-28-1977-eng.pdf</marc:subfield>
      <marc:subfield code="z">Code</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">107 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/cnrc-nrc/NR24-28-2-1978-eng.pdf</marc:subfield>
      <marc:subfield code="z">Revision</marc:subfield>
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