HG/T 20592  法兰 PL 50-16 RFd=Sf s=4 S=2.776 b=3´300RF6)

pl50-16rfd=Sf s=4 S=2.776 b=3´300RF6)

so65(a)-16RF-1.00-1.0'Rj9.15.0/50(B)-100-1

SO 20-63 Rf0FM80 90=22 RFf16

SO2"-150 RF

WN 500-300 RF1.5

lwn 500-300rf-600rj s21rf0n=4l=194.S00 n=

BII40000--1.6F4FFampampampampampwd=

SO100-150 RF0rf-

3 FM 700-1