NB/T 47023  法兰 FM 300-1.6 ÊB=34

47023 fm 300-1.6 ÊB=34

SO300-600 RF HG/T206

WN40-150 RF B=4

47023 RF1000-1.6/63H2 C=25

WN300-300 RF Sch4048-11a

wn250-150 rf sch10s/3\u00a3\u00cg20=33)

WN125B-10RF=3FF b=4-

WN15-1500M1000F16R

BI 2400N100-30

bii3200=21.01 Ab1/-6 RB=109 b0-1.0F/5