TY - BOOK ED - American Welding Society TI - Safety in welding,cutting, and allied processes SN - 0-87171-450-7 U1 - 621.791(083.74) PY - 1997/// CY - Miami PB - American Welding Society KW - Soldeo KW - Normas KW - Corte KW - Cutting KW - Welding N1 - An American National Standard ANSI/ASC Z49.1-94 ER -