HG/T 20592  法兰 WN 600-100 RF�RF

WN 600(A)-100 RF�RF

20592SO32-63rf0

pl480(B)-16RF

PL 32(B)-16 RF40FF

WN 125(B)-40 RFS40 R

WN 80(A)-40 RF S=S=rfh40S5.5 RJ R1cf@40@S5 RJrvlet/F

PL50B-10RF ARF@4 Rch4755-R/statiRF Sch160 R RJFFampambsp16��JsRF@F@40f DRF@4fr4

BL 125(A)-10 RF

WN250