GB/T 12459  弯头 DN 350-Ⅱ-790ES

DN 350-Ⅱ-7 90ES

WN50(B)-63RFSch40-6 rf10t16/5400(b);amp;amp;amp;am/

BL350(B)-10RF1atic rf/45Mch40R40h40 R5/FSch)12-200-1F

DN40/PN16/01A C4=15

WN400-300 RF B=81055/

WN350-900 RF Sch40/

WN100-600 FM Sch10/

WN 100(B)-160 RJ S=1 S=8 RF/

SW32-150RF

SO50