HG/T 20592  法兰盖 BL 150-25 RF-2.5c/ W-60-0.25

PL 300(a)-16 RF

BL150-25RF-2.5c/ W-60-0.25

PL125-16RF b=3 f1=32/u

WN 250(B)-40 M S

3 fm500-1.0/48-1-10=1mpF2-2.8 RCh16

WN25(B)-100 FM ,HG/ F

WN 15(B)-100 RF0RF/36-42b)-h10S20,hg0

WN 150-300 RFc500c4 dã

PL 300(B)-16 RF

WN 40(B)-16 RF S=10F600--105