NB/T 47022  法兰 RF 800-1.0 δ1=12�SSR

2 RF 800-1.0 δ1=12�SSR

SOP FF 5K 20A´/ f2=raw25h

47021 C-RF700-0.6/44B=rf0 RF S=F40@S

WN 32(B)-40 MB WN903/u0083/u00

HG/T20592 BL450-6RF H=100000

WN500(B)-25 RF-105F S=1ff9S0 RFh4001h10SWN450-600RJ&am

1 RF 1000-0.6 δs=10

3 FM 550-1.0 δ0=12

1 R