NB/T 47021  法兰 C-RF 700-0.6B)-16R6 RFRF00-1

1 C-RF700-0.6B)-16R6 RFRF00-1

DN 50×25-6 RC�u0083/data/src B=34ch800ES206 4

WN 150-300 RF.00S50ch40rfHC00p100 R1115rf s/data202006f160am

pl80(b)-10 rf d=190 d=138f d=/u00a7

WN40(B)-63FM rfl80(b00.6/H RF W

SO500(B)-16RF00cFH0rFd1=142 90ELC=20 f1/0S