GB/T 12459  弯头 DN 25-Sch40S90ELƒÂ©Ã

DN 25-Sch40S 90ELƒÂ©Ã

WN125(B)-25RF S=6CH435CFSch80s5.d S=6 C

pl600-6rfFf b=4m1.0000393e30000¢Ã=6@SO1040S-123s=60/u

WN20(B)-25 FM S=404)3

WN25-25RF sch40=12Р�/6 rfRF-150¬86R40FM S

B WN 1400-150 RFh40m00-6.4

SO 150-150 RF Sch80

WN40(A)-2