HG/T 20615  法兰 WN 350(B)-150 RF S0 rf

WN350(B)-150 RF S0 rf

WN 450(A)-16 RF0 RF

WN RF 40K 15A a=22 S=3

WN250(B)-100 RF2cRF/6m6 δ2=26ch4=11050R0F d

WN 40-63 RF B=3

WN 80-300 M.0/5a4=6.80RF35AA5δ0=123 F62

SO 450(B)-300 RFfoRF1rFMR S16

NB/T47023 FM1100-2.5/72-17056

SO150B)-10 RF-0s h=78