GB/T 12459  弯头 DN 100-Ⅱ-Sch4090E3D

DN 100-Ⅱ-Sch40 90E3D

PL 50(B)-25 RF,S=8S=1

WN505-300RF RJ10rfch80S0FSf-.RF=000 SS06rf0004.00059@X@b40S157021@

WN80-300 RF S=10 r

PL 80(B)-16 FFsa5fF-4.-1.0-20F16n-1��RF0@RF RF

WN40-300 RJ S=1.65

SO 50-150 RF B=60.5

WN 350(A)-160 M S=

wn200-40rj