GB/T 12459  等径三通 DN 60-Sch20TS12.5 f1=61

DN 60-Sch20 TS12.5 f1=61

wn150-150 rf sch40

WN 20-300 RF/SRFcBLSc30l=16c=

WN65(B)-100 RF S=3Sc-1005

pl125-16 RF B a=66ff6-40=3

bl80(b)-16rf*60.7S63816 rf s=650Ю FM3 Rh40.0

SO40-600RJ2-=b=450

SO150-150RF D=27M80sc Sch4010r25j00G/)-16 RF�

BL150B-