GB/T 12459  异径三通 DN 1500×1500×900-Sch10TR000-0S

DN 1500×1500×900-Sch10 TR000-0S

pl200-10fm= sch40s so-1/4/115-/u00a4 sch=1

pl15a-10rf RFpampqh40sFf=RF Sch60M531/6mp

WN 500-600 RF S=2000Ss00M rf s

pl20(B)-16RFCsch400.661.0-1.6F-

LWN100-300RF80S40C

BL50-150 RF L=RFD=170 B=10

BI 1900-F/0925-100

WN