HG/T 20592  法兰 PL 80-16 FF000-0SRFa)-1=5RFmRF S=6fF RF

PL80-16 fF000-0SRFa)-1=5RFmRF S=6fF RF

PL80(B)-25 RFRFRF d=188 b=/6

BI 450 R=6 undefined=F3fm61692)0-rf1-RJFMAA=34R00

3 M 600-1.0 δ0=8 δ=

47023rf1300-1.00r=H80Sb)-oker/j

SO 15-150 RF(B)-63 RF S=6Bh.h510FM70htf40F

wn65-63rff-1=268 b=

dpl400(b)-10rfF