NB/T 47022  法兰 C-G 550-0.6/20δ1=12)-25rf10=02F5H80S0.h-1-14062

2 CG 550-0.620δ1=12)-25rf10=02F5H80S0.h-1-14062

WN50-300 RF B=43

PL600B-2.5 RF B1

SO 25-100 Mf RF(6any/24F3)-40 RF 1f9s28.4 2FS=4D=F

bl300(b)-150ffSch40M800(b)-16t

SO 50-150 RF0SRF S=4-25FF0-150900rj sc7021 RFso2 S

BL65-600 RF=20H1=1 r.4NS T Sc0.6