GB/T 12459  弯头 DN 80-Sch40S90EL

DN 80-Sch40S 90EL

wn100(b)-25ffF FFF0210

WN 250-25 RF Sch

SO 200(B)-16 RFç›–

BL 1"-400 RF=2nvokerHTSch0514RF300 RF S=120T-f0-0.55rf

PL 300-10 RF2800-0/dra50-m-16RF0 rf.25F d=

WN 150(B)-16 RF S=60δ0

PL125B-16RFMWN2

A1600(40 RF0- w

wn100-150