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Hutchen, N. B.
view article (1.0)Fire Performance.National Research Council of Canada, Ottawa, OntarioTechnical Paper No. 189National Concrete Products News, Vol. 10, No. 4, 1-3, 1962Technical Paper No. 189Hutcheon, N. B.
view article (1.0)How to Get a Fire Test Rating.Technical Paper No. 189National Concrete Products News, Vol. 11, No. 1, 1-3, 1963Technical Paper No. 189