HG/T 20592  法兰 SW 400-25 RF-

SW400-25 RF-

LWN 500-300 FF Schh40 RFFSC0180ES00c3 M6FMSO 6S=3

wn15(b)-160g15-rf=8

wn250(a)-10rf b=35 A=60.45 S=4F RF

WN 150-900 RJ Sch120S Sch80R

WN40(B)-25RFВҰГЈ

WN450-300RFm00fm00-1.S0F5S=20-FW0s80s

BII 29275

WN500-150 RF S=16h80F/64-14@L20 h7