NB/T 47023  法兰 RF 000-0.6 h=185RF S=182 *=70chso300(b)-FFSr

47065.4 A3rf000-0.6 h=185RF S=182 *=70chso300(b)-FFSr

BL1000-10FF rf-rf h=1570-6

WN25(A)-900RFrf RFF�

WN150-25FMs=10

WN80(B)-16 RF100-46=S=5B=24.3-)-16 R=48

WN 50-600 RF Sch80S

WN 3"-900 RF Sch40

wn50-600rf sch/

WN 80-1500 FM Sch5/u0 GRF

BL300