NB/T 47023  法兰 C-FM 1700-1.0F16

47023 c- fm1700-1.0F16

WN 40(B)-600 RFRF0.674/u00

WN300(B)-16 RF S=6

wn50-2500rj s6rfml6af/uSO RF

so 600-16 RF©бrfB)-16H-F0F5546RFpampw

WN 2"-150 RF S/

2 CG 700-1.6fF2ticÂ0-16fmh4

PL350B)-6 RF0 b=45 RF0f5Scrj1S=10.15/u00

WN 50-300 RF B=48

2