HG/T 20592  法兰 PL 10-6 RFRF5orum.h0f19NC=140=49娄1200-1

LWN 50 -600 RF

pl10-6rfRF5orum.h0f19NC=140=49娄1200-1

BL32-63 FM80m S=1/150 RF S=4

WN 40-150 RF Sch.80S6/

BL 450-6 RF)-40 RF(S=5076-29555�=16f d/6-1fFM05RF-

so150b-25g15

3 CRF 1400-1.620РһТҷ0=10

WN 350(B)-63 RF S=103 A

WN700B)-16RF48 S/CHc=8-