GB/T 12459  异径三通 DN 1050×1050×800-Sch10TR

DN 800×800×1050-Sch10 TR

pl32-6rf20592un50-300rfD3=3341

SO350(B)-16 RFX

WN100(B)-16 RFRmp SB PL RF I�ВҰГӮ500 RF(BF-2.21Fch80 TR6.3=501.6G

WN350(B)-16FM-0.6==25.

WN 3/4"-400 RF S=250

DN 800×800×1050-Sch10 TR7100150

WN16-600RFSfA-16

1 rf