GB/T 12459  等径三通 DN 40-Ⅱ-4TSmp2rf0004..SÃmPLM-f

DN 40-Ⅱ-4 TSmp2rf0004..SÃmPLM-f

wn25-25FM6/85-152..505M2rf0004..SÃmPLM-f

bl150-300 rf c=1

WN 10"-600 RF Sch60 NRF/(B) Sch16 SCH1

WN400-600RF6=51-m

WN 150(B)-40 RF S=24

WN250(B)-25Ghgh42rf0004..SÃmPLM-f

TH(NPT)25-10 RF20RFF f(- RF

WN400-300T