GB/T 12459  异径三通 DN 1000×1000×600-Sch140TR

DN 600×600×1000-Sch140 TR

NB/T47023 FM600-6.4g20615 wn400-600rj"0

wn100-63g

47023 m900-1.6 î´=64 h=142

SO 150(B)-10 RF1�0=1287ÃÂRFFRFF1/FF16/=12 d=

BL40-150RF6RF 10rrf1000-1.00.6ch160

LWN25-150 RF H=1591.0Sch80S6000

WN50(a)-63m S=4-

SO