HG/T 20592  法兰 LWN 150-25 RFCh80S S-12.5/-1.6151=.F80B-63FM

lwn150-25 rfCh80S S-12.5/-1.6151=.F80B-63FM

so100-150 rf b=27g/=650=1

wn15-300 G=1=525040m.19В°S RF0-1

bl65(b)-600rfch80R

SO 100-16 RFt205FFF040 B1=7200a62H=367=CG/

WN40(B)-16 RF B=18 N=32 S=10

BI600-FX=ÎM 600 S=1614.0.60FF RFRF10

SO400(B)-300RFH