00831nam a2200253 4500 0015378 20260608203243.0 260224s2000 dcu N389 A259 B109.1 0015378 ANSI B109.1 Diaphragm type gas displacement meters (Under 500 Cubic feet per hour capacity) Washington American Gas Association, AGA 2000 01/10/2013 ; 01/10/2013 35 p. NORMA American Gas Association, AGA 142 American National Standard Institute, ANSI 162 Normalización 106 Medición de gas 144 Medidores de diafragma 165 Medidores de desplazamiento 164 187924 187924 0 0 0 0 255743 BAAB BAAB N389 A259 B109.1 0015378 2026-03-06 200060078 0 N389 A259 B109.1 0015378 200060078 2026-03-06 00:17:56 2026-03-06 NORMA