HG/T 20592  法兰 WN 400(B)-40 RF s=4

wn400(b)-40 rf s=4

WN65B-25RF

pl25(b)-16 rf c=18

IF 700-25 RF00c3 RM2.

WN 40-150 RF Sch40

WN50B-25RF

WN 100(B)-160 RF S=10

WN 20"-150 RF Sch80S

WN500-16 RF

PL 50(B)-16 RF0FM80 H RF)-6 R SCH80 C200Fm65-16rf31F.6.351Nmpamp000-46 RRot;-300 rF� R7