HG/T 20592  法兰 PL 800-40 RF062=16

PL800-40RF062=16

SO 20-150 RFL RF Ⅱ0 RF70-16510.7101309 RF@W/s

20592 WN40B-100 RF.0./6

WN 20-150 RF00c3/u0083/u

SP-5-15e Sc/B)0

bi 1700 rjm6FM2=M130/RF712

so300B-16fFFM7.85(b)

SO100(B)-40M/FMRF RF

bl10-10ff/F

wn65-160 rf=22cFu0092/u03J00-1/u00b41/�