HG/T 20592  法兰 PL 25(B)-16 FFD

PL25(B)-16 FFD

WN15a-16 RF0°pl65-

BL 600-300 RF

SO 15-150 RFh0R0SFFrf

WN80-300 RF

WN 4"-150 RF Sch897

SO 150(B)-25 RFf

DN100-PN40 WN M000/

SO 150-16RFpampam

47065.1 BI 1400-f0rf0-16RF S=3;ampampwd&eqid=afb3858900035Sch160@443RF@AFh40.5 RJ-RF YF