HG/T 20592  法兰 WN 65-16 FM6 b=33)-16R-900 R7

WN65(A)-16 FM6 b=33)-16R-900 R7

BL65(B)-40M/1-16

pl100a-10 ffSF RJ/858-19RF91 S=5.6=)=990FT

bl250-40 rfS=4Kb30chSCH30pamp RF65-0

wn20(b)-25 rf s=3

wn150a-300rf s=5.5 h1=

WN600(B)-16 RF S=1522Cr17Ni702300-4.0F GH7

WN150-25RF S=10.5 &a

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