HG/T 20592  法兰 PL 125(B)-25 FF b� s30)-25m0035 T592-

PL 125(B)-25 FF b� s30)-25m0035 T592-

WN 80(B)-40 RF S=8 S=100rf b=77e2/

WN15(A)-63RF S=30)-109

WN 200-600 RJ B=213 H=133

3 RF 500-4.00.5-6 h=1306616 RF620 MX=Npampa5-16541F/

SO450(B)-150 RFFS=3.600c3/u0083/u00c6

WN15(B)-100 MJ70 Rc-160160=3F/ S