HG/T 20592  法兰 WN 300-25 RFs=9/n40M4120 K=22F Schb)-

wn300-25rfs=9/n40M4120 K=22F Schb)-

wn80-600 rj sch160))-16 WN40-600RF D=9f8.

SE 500(A)-16 RF0pngp2-300 R¬27 B46105G

WN350-300 M3=3F=48ch40 H=94 C=42N RF Sch40 H=92 C=

wn32(b)-10 mf00--/-4.0j)-164.08=1038.225 S=f H1=/

so50-300 FM-1.

WN 15(B)-16 RF66