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      <marc:subfield code="a">Issued also in French under title: L'antigel dans les systèmes de chauffage.</marc:subfield>
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      <marc:subfield code="a">"This publication is intended for designers, operators and maintenance personnel considering anti-freeze in hot-water heating systems for buildings located in cold climates. The main focus is on corrosion-inhibiting, water-glycol solutions and their effects on the design parameters and choice of equipment in the secondary side of the water-glycol heat exchange, including their effect on the heating system components."--Scope and Application.</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2017/aanc-inac/R6-5-5-1984-eng.pdf</marc:subfield>
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