HG/T 20592  法兰 PL 150(B)-10 RF-121h1600 rF B=1

PL150(B)-10 RF-121h1600 rF B=1

WN600(B)-25TRFm s=18F S=1gæ/.5 d=45 B

WN50B-10RF S=/=5/6/90-26)-1/15r

2 CG 1400-0.2520δ1=20R32FF0B6r.56B)-10-1.0 s=4 h15.5F

WN 250-300 RFB=245/c=4

WN 500(B)-16 RF S=5

WN32(B)-100 RF0r C=45 H=9/RF-RF f b1=F

SO50-1