HG/T 20592  法兰 SO 150(B)-10 RF SCF55a RJ6G5 RJSc25RJh40T2b/1915@

SO 150(B)-10 RF SCF55a RJ6G5 RJSc25RJh40T2b/1915@

BL600-16 RF1 S 50=4bS

PL 250(B)-16 RF

WN65-40 RF=6r

SO150-150RF9265=Sf

SO 80(B)-6 RF

BL600-150 RF.6Fmp@A16FSFL RF Ⅱa

WN 50(B)-16 RF20S6 RF

SO 80(B)-16 RF

LWN25-150 RF Sch160ch40S-6 FFJF(b009162��