GB/T 12459  弯头 DN 350-Sch10S90ESH3WNF592-R5=40FFRf

DN 350-Sch10S 90ESH3WNF592-R5=40FFRf

WN 200-150 RFFm.htRFA20 RFM0m

47021 RF800-0.6048ch401RFSF/2@0 Sh840SR5 RJ006u

BL00-150 RF009

WN 300-16 RF S=10wn40

47023 FM 1600-1.0/80-155 δ0=12h=1

WN 900-150 RF S-XS HG/T20623A

SO253-150RF84-6rfSC2009Sch

WN125-