HG/T 20592  法兰盖 BL 300-40 M

BL300-40M

wn125-100t.5r 1800(B)ch/1

pl150-16RF b)-16ch40

WN25-300m PL3(b)-/0/=400=1=4/F-20RF wn

SO400(B)-40 FMF/

wn 25(a)-100 RF/ S=6RFRF6M/

WN40(B)-100M S=5Ff110-0c6rfs6 r3300 r:L/04

SO 40-150 RF�¬Е“Ш�

WN 300-150 RF Sch40S/7 RF Sch40S

WN15