法兰 C-RF 1800-0.25/42 RF-16

47021 C-RF1800-0.25/42 RF-16

wn50-25fmbl2

BL 100-16FF/

BL 80(B)-25RFRJS=20

WN300-600 RFRF 4Sc

47023 FM700-1.0 k=385-100 h=40pampampampampam

HG/T20592 WN500(B)-25 RFF/4

BL 150-40RF

WN125(B)-16 Fm N=105 A=89 H=50-1h1/)s=62M4/H

PL65(B)-16 FF K=139.7 D=1