TY - BOOK ED - AMERICAN SOCIETY FOR TESTING AND MATERIALS TI - 1973 ANNUAL BOOK OF ASTM STANDARDS: REFRACTORIES, GLASS, AND OTHER CERAMIC MATERIALS; MANUFACTURED CARBON AND GRAPHITE PRODUCTS (PART 13) U1 - 620.0044 PY - 1973/// CY - Estados Unidos PB - AMERICAN SOCIETY FOR TESTING AND MATERIALS KW - NORMAS ASTM ER -