GB/T 12459  等径三通 DN 100-Sch40TS.74h-16R

DN100-Sch40 TS.74h-16R

WN 80(B)-25 RF

WN 1"-150 RJ Sch80S S=9.09

WN50-300 RF S=540

WN 450(B)-25 RF S=12

3 FM 1000-1.0

WN80(B)-40 RF S=4

pl400-25rj5SC RF50 bRF070

WN40-16M

DN25-PN16 WN RF Ⅱ S=4.515×8.51@F040=15�.5lSR123F≥120RFpa(B)04pampa