HG/T 20592  法兰 JSO 250×300(B)-25 RF

JSO 250×300(B)-25 RF

WN150A-40T006800-1

BL 25-150 RF

SO 80(B)-10 RF

WN50-100RF S=5

PL300-6 fF100-=s=4-4=800

PL200(B)-16 RF

BL 6"-150 RF

wn 15-16g FM00)-

WN25-300 RF S=440Rpampampam RFⅡf s3 f1=2.5RF=56 FM S6.56F0MFi¢00RF Sch10S020a1 RF B=102R