HG/T 20592  法兰 WN 500(B)-63 M

WN 500(B)-63 M

WN 40-300 RF Sch40S

WN200-25 RF Sch40

wn150-150rfb=1460.6/72m16mnB-1

A 280065j-

SO3/4"-150RF

法兰 pl40(a)-25rf

PL 500(B)-25 RF

wn25-150m

PL32-10RFurcR0-1.6/65-130F0@RFRJ Sch80F Sch10S-600 rf s=13@f50FRF6r-2 FM40ذ¶�00