GB/T 12459  弯头 DN 50-Ⅱ-Sch1045E3D

DN 50-Ⅱ-Sch10 45E3D

BL300-900 M D=13p

PL 500(B)-10 RF

WN65(A)-25RF0RF-R�S40 RERS=8-

47023 RF400-2.5/38-1

WN250B-40RF S=F5050 r

PL550-10RF25 RF-R9eJ-R9PF0r1600F0HG-6.650-1.6/)f5 RJ ScD=9mRF

WN 15-150 RF S=3.731205

WN 200-150 RF=1240 RF)- sSch10015