GB/T 12459  弯头 DN 50-Ⅱ-Sch80180ES

DN 50-Ⅱ-Sch80 180ES

WN100-150 RF Sch40

WN 25(B)-25 RF S=6

SO 500(A)-16 RF5��@ RF SCH4FF-.30F SF Sch160R dRF@A 1S

WN 100-100 FM

BL50-16 RF

B WN1000-300 RF501400/06

wn100(a)-25fmpaLch4@0S2@RF0пҝҪh0

WN 80-100 FM

bl400b-16ffPL200-1hF RF Sch0-1.0