GB/T 12459  弯头 DN 350-Ⅱ-1090EL

DN 350-Ⅱ-10 90EL

bl450-10 ff d=605 c=24 k=555

SO80-300 RF. RF Sch160F Ⅱ�6RF H=199S=3.731205

nb/t47021 rf800-0.25

WN 15-600 RF S=5

SO 40-16 RFB05

pl/@PL100(B)-16 RF

pl50(b)-10 ff c=14 l= n= k= b1=93

WN15(A)-16RF S=40 M S=6300 R

so150(b)-10 t R