HG/T 20592  法兰 SO 15(B)-10 M0a

SO15(B)-10M0a

WN 65-150 RF

WN 50(B)-16 RF3991

SO 50-150 RF

WN 1/2"-150 RF Sch80S

A WN 1500-150 RF S

SO 500(B)-10 RF

so40-300 m

PL 300B-16 RFs/)--F4

SO600-150 FF3996439426 RF3821 S=8@hF&@t.5Sc R=4M0=2 h13FFb6ScF&@��@RF@4 Rch4406RF41766F B1108