HG/T 20592  法兰 WN 50(B)-100 FM S=58=6.5FS=60 rf.

WN50(b)-100FM S=58=6.5FS=60 rf.

1 M 500-2.5δ s=60-00A ch80D= B=18FFR

IF100-150 RF S=3 H=100c.

PL200(B)-16RFF68 S=5F50BRF6R25 s=F Sch80mRF4 A0-1.06F0-1.

47022G900-1.60F´=68 h

WN700-300 RF A=711 B=679

so32-16RFB1=C1 1/d=

WN 20(B)-100 RJRFh8

WN200 B-4