HG/T 20592  法兰 WN 500-16 FM0-63 RF6FM S=10/

WN250 -150 RF B5-ch15000c163FRh0/wn25(b)-63 rf

WN500-16FM0-63 RF6FM S=10/

SO 40-150 RF B=46

PL 200(B)-10 RF

WN 40-150 RF Sch40S

SO 40-150 RF

BL15-150RF012F-16/0 AA=

PL 400(B)-10 RF1285 /u00ce0R@592-2009@BL0 RF=3225RFF5h10 h314C0 rch8=5

SO 200(B)-16R