法兰 BL 350-25 RF/

BL350-25RF/

PL 20(A)-6 RF b=3F R(b-4.

pl25(a)-16rf d=165/

HG/T20592 PL500(B)-16 RF

wn25-300tsch80

WN 25(B)-16 RF Sch10S

PL400(B)-16 RF0S=/

HG/T20592 SO10(B)-16 RF

WN 300-600 RF S

SO20-150FF-1.0.6t10 g0rf b=386.40-D=77

WN 400(A)-10 RF0 RFn25-40 RFRF04