HG/T 20592  法兰 PL 250 -10 RF40kRFM4.0F b/0S009c=17f1F S

PL250 -10rf40kRFM4.0F b/0S009c=17f1F S

DN40-PN100 WN RF

SO 80-150RF500A150RFf10f8592-2009R(b)rf4.=6.0160RF0/Q

WN 25-300RF

3 FM 500-1.6 δ0=8

3 RF 700-1.6 δ0=10

wn200-10 rf0947/0RF FFhB)/T 20592-2009F

SO 50(B)-25 RF5h-1FF4F s=30s1.6-20RF20rf s3 fХ

B