HG/T 20592  法兰 WN 500-6 RF@F9@RF689J@pl110R060-1.150 RF Sc

法兰 WN500-6 RF@F9@RF689J@pl110R060-1.150 RF Sc

PL20(A)-25 RF b=3

SO 1/2"-300 RF

BL900-2.5RFFF

PL50A-6RF00ch4F2R0.6

BL 25-300 RF

PL65(b)-16RF@°F1Ff@4 rf 1Js-1602 H2

3 FM 500-2.5 δ0=8

PL 400(A)-25 RF

SO 1/2"-150 RF63160a10 RFFF6ÃÆ