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      <marc:subfield code="a">Clayton, R. H., </marc:subfield>
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      <marc:subfield code="a">Electric/oil hybrid heating systems / </marc:subfield>
      <marc:subfield code="c">by R.H. Clayton.</marc:subfield>
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      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Ministry of State, Science and Technology Canada = Ministère d'État, Sciences et Technologie Canada, </marc:subfield>
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      <marc:subfield code="c">©1984</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Les systèmes de chauffage hybride à l'électricité et au mazout.</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Innovation, Science and Economic Development Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">Electric heating</marc:subfield>
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      <marc:subfield code="a">Petroleum as fuel</marc:subfield>
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      <marc:subfield code="b">Ministry of State, Science and Technology, </marc:subfield>
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    </marc:datafield>
    <marc:datafield tag="775" ind1="0" ind2="8">
      <marc:subfield code="t">Les systèmes de chauffage hybride à l'électricité et au mazout / </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.937896</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.55 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2024/isde-ised/st31/ST31-16-1984-eng.pdf</marc:subfield>
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