TY - BOOK ED - ASTM TI - Standard specification for common requirements for steel flanges, forged fittings,valves,and parts for piping applications U1 - NT ASTM A961/A961M-16 PY - 2016/// CY - Pensilvania PB - ASTM KW - NORMAS TÉCNICAS KW - TUBERÍAS KW - A961/A961M KW - 2016 ER -