弯头 DN 350-Sch80S90EL

DN 350-Sch80S 90EL

PL40A-6RF16h10-25 rfSch10 Sch1 S=3.2

pl300(B)-10g

WN20(b)-63FMRF C=47m

WN 450-600 RF

NB/T47023 FM350-1.6/32

BII 1000-rf= HG/0 RFRF 030

pl200(b)-6rf/0PL3

WN100-150 RF Sch40

wn40-150fm s316

pl500(a)-10 ff c=30 b1=519

WN80-900 RF Sc