GB/T 12459  异径三通 DN 800×800×80-Sch10STRr

DN 80×80×800-Sch10S TRr

SO25(B)-25 M000- C-FM1/ RF

DN 200-Sch100 90EL

WN500-150RFF/0-1�5 aa=h0/mmR6

PL25-16RF6M0C0rf bbS1100-16 fFb=

DN125-PN6 BL RF �f65fi22b/006rf-

WN 20-150 RF-1j sch40F b=F

WN 80-150 RF S=8

HP1-3 D93.5�å žWN6dFrFM,S=41