GB/T 12459  弯头 DN 65-Sch10S45EL71500

DN 65-Sch10S 45EL71500

a wn700-150rf/1000-1.0 ãžâ´=60 h

47023 RF1500-0.6 δ=7

wn50-150rf S=6.45FM-120F BB=20540 RF1.0RFF

WN 40-16 RF165H=4)-6r0f-sc=RFS80

WN500-1500RJ2 RJ0(B)-16RF19h80s

BⅡ2200-SFF b=4-40FRF300f s=9/

bl25-150ffrf.050(B8

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