HG/T 20592  法兰 IF 80(B)-63 M0=.0 δ1=16R h=4040S0 S=201000-R00 RJ16

if 80(B)-63 M0=.0 δ1=16R h=4040S0 S=201000-R00 RJ16

WN350(B)-100 Mf s0rRF SL540=0090´=21001Ã�

WN50(A)-63 RF S=4 rjrf sch40sfm9)-6 R

BL150-300 RF=1904R-

SO100B-150 RF00RF-Sch12AA=180 K=230 D=2550orum½49900

wn25(b)-150 rf sch10s=n45

IF 25-300 RF