<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:leader>00000nam  2200000zi 4500</marc:leader>
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    <marc:controlfield tag="005">20250611160027</marc:controlfield>
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    <marc:controlfield tag="008">250423e197211##quc     ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">DR52-25/2-1972E-PDF</marc:subfield>
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      <marc:subfield code="a">Duchesne, G. L., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">An investigation of propellant/liner bond failures in Black Brant VB rocket motors (U) / </marc:subfield>
      <marc:subfield code="c">by G.L. Duchesne.</marc:subfield>
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      <marc:subfield code="a">Québec, Canada : </marc:subfield>
      <marc:subfield code="b">Centre de recherches pour la défense [Valcartier] = Defence Research Establishment Valcartier, </marc:subfield>
      <marc:subfield code="c">November/novembre 1972.</marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">DREV M ; </marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Defence Research and Development Canada].</marc:subfield>
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      <marc:subfield code="a">"Unclassified."</marc:subfield>
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      <marc:subfield code="a">"PROJ. 46-60-05."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 7).</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="a">Rocket engines.</marc:subfield>
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      <marc:subfield code="a">Moteurs-fusées.</marc:subfield>
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      <marc:subfield code="a">Defence Research Establishment Valcartier, </marc:subfield>
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      <marc:subfield code="a">DREV M.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">779 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/rddc-drdc/DR52-25-2-1972-eng.pdf</marc:subfield>
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