HG/T 20592  法兰 SO 200-16 FMhRFS=1

SO200-16FMhRFS=1

BL15-150 FF5)RF0

BL20-2500 Mrfch4200b)

wn25a-100rff0R.62009000-0.=830A/1f00-40

WN32-150 RF 80H1.R42 n40FM50rf s=4.5T=0094rf s1/

BL10-16M0 RFs=6.45=6if RF Bj a=1n=6M Ch4500-s /@b5Ã

PL 350(B)-10 RF.7200FF40 m.)-CH;amp;amp;amp;amp;amp;