HG/T 20592  法兰 PL 350(B)-6 FF=5554-=3.F651rf-77 A1.011=F B1=

PL350(B)-6FF=5554-=3.F651rf-77 A1.011=F B1=

WN 200-10 RF

PL65(B)-10 RF D=175 d=122 BB=74 C=16

so150(B)-150 RF S=4 ch0RFÃuotH=tHGa04SF0=ª=7052FH000

BL250(B)-10RF000059 S=S=15F50

SO 40-300 FM

WN300(B)-40 RF S=14 s=10b1=.016

47023 FF1100-1.

WN40-25R