GB/T 12459  弯头 DN 100-Sch8090EL

DN 100-Sch80 90EL

BWN800-150 RF

WN15(B)-16 RF-s0S RCCH50-900 RJ601F00 C RF S=/@S TSF-FF4 RF FF Ⅱ00rf s S=36 RFRcb0(b)-25rf6h40S/u000Sch40205 C=0.

WN350(B)-25RF S=8

LWN20-900RF271005 K=950

bl25-300rf=raw/fm-150 rf s S=36 RFRcb0(b)-25rf6h40S/u000Sch4