ASTM STANDARDS: BOOK OF 1961 PART 5: ASBESTOS-CEMENT PRODUCTS, MASONRY UNITS, PIPE AND DRAIN TILE, REFRACTORIES, CERAMIC WHITEWARES, PORCELAIN ENAMEL, GLASS, BUILDING STONE, THERMAL INSULATION, ACOUSTICAL MATERIALS, SANDWICH AND BUILDING CONSTRUCTIONS, FI
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- Estados Unidos AMERICAN SOCIETY FOR TESTING AND MATERIALS 1961 PHILADELPHIA
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