HG/T 20592  法兰 PL 32-16 MFd-20S=42 S=F(b/15

PL32-16 MFd-20S=42 S=F(b/15

SO 150(B)-16FM0 m009m=530 d0-300 RF

BI 3600.S=169 s FFF50-1.60rf4-RFmpampampamp

BL450-6 FF RF t=9.15 dn2505 r66

BL80-150 RF0 n=80139 c=

WN150B-150 RF5.5 H1=12 bl500-10 rf/£Ã

WN100-150 RF Sch10S RF�rf S=0)-3rfS=

wn40-