GB/T 12459  等径三通 DN 15-Sch140TS

DN 15-Sch140 TS

BI2000-F/RFR

WN250-150RF 10

WN50-300 RF Sch40h80Su0.6/380SA=2

wn65-25rf s=4.52/m

WN900(A)-10 RF R

WN50-600RFSch-40s/0(B) RF09N100--10

nb=t47023 m600-2.50RFrf S

so200-150rf s

WN 150-300 g40sFh=.38RF40.0 RFMSb16190R-43.500RF S=4.5CH/1M