HG/T 20592  法兰 WN 500(B)-16 RF S-fsRFF

WN500B-16 RF S-fsRFF

3g700-4.0300 rf sRFF H

PL200-16FF/u00b1vokF40-101640(c3

SO 100-300RF=850-10

SO 2"-300 RFS=6hg20615F50

SP-7pb=ScS-

47023 C-M1300-1.0-16RS=5.6m B1=wn40-1582/6 46/1254

47023 C-RF600-1.6/44-105F15

SO 24"-300 RF0 RF B=788

S