NB/T 47022  法兰 FM 500-4.

2 FM 500-4.

WN300(A)-25RF S=10rK=90-

SO 100(B)-25 RF b=000rj&a/840R1850-60

BL50-63 FF=161f1=3 bb f1=3 b=3h44.0/70

TPB-3 Lc=-63tf00 rJ B=12e8f10.5f

WN150-300RF-SchB1=3225tml04615/RF80F145=6

WN 550-600 RJ

WN20-25mF,S=0(B)-16RF0S=3ch40S=3A=

WN80-25FM/12