GB/T 12459  弯头 DN 1300-845EL�5

DN 1300-8 45EL�5

WN 450-150 RFR40 S

ht/@wn100(b)-16 rf s=6/4 rf60S/F.0 Sch80C

3 B440S1RF92.h.86-f-100RF0-150rf Sc

WN50-40FMH20H10.MFM9M S=4.5-1.03.6

SO 22"-2500 LT

BI 1600 HG/T20592-2009

PL65-10 RF8-5-1.RFc5

PL125(B)-16 RFFRF0(B/

SP-950RF15 C-