TY - BOOK ED - AMERICAN SOCIETY FOR TESTING AND MATERIALS TI - 1976 ANNUAL BOOK OF ASTM STANDARDS: CHEMICAL - RESISTANT NONMETALLIC MATERIALS; CLAY AND CONCRETE PIPE AND TILE; MASONRY MORTARS AND UNITS; ASBESTOS - CEMENT PRODUCT (PART 16) U1 - 620.0044 PY - 1976/// CY - Estados Unidos PB - AMERICAN SOCIETY FOR TESTING AND MATERIALS KW - NORMAS ASTM ER -