HG/T 20592  法兰 WN 125(B)-160 M150rf sch. 8000.25 ÃŽÂ

wn125(b)-160 m150rf sch. 8000.25 ÃŽÂ

BL600(A)-150RF25fmc900698m s=5h80/RFl381 hg/6.50000-1016

PL500B)-6 FF00δ=--10 RF=

2 RF 1000-1.6 Œì◊•¬øŒ

BL350-25G´=58

bi8506 s=12.5 ffSCH80Is=8592-2 B001690Sch1rb)-16

so 15-300 rf hS=2S6 RF-(B)-14.