HG/T 20592  法兰盖 BL 125(B)-6 RF b=.

bl125(b)-6Rf b=.

WN 250(B)-25 FM S=12

WN 50(B)-16 RF

SO350-25RF MX=N=6

47065.3 B20pampa/-10rf/)-

pl32(B)-25 RF

SO 100(B)-16 RF

wn200-25fm a=2RJ"0 RF S=3.5635 B1=535S= R=100F

wn50-40rf

3 B16 b=3 bb=426 L=22860 C=73 H=173 as4 l=40 n=2’�4 b=3pam