GB/T 12459  等径四通 DN 1200-Ⅱ-7CRS�âRF0 RFR.M-in03/50rfu00m

DN 1200-Ⅱ-7 CRS�âRF0 RFR.M-in03/50rfu00m

WN 800(B)-16 RF S=12

WN 80(B)-16 RF.0616=4T20592FMRFSc-mpampcch40b)-0N

PL 200(B)-16 RFrf S=4.1rf0-ss3H140/wn

SP-8 DN RF5-63Rf

WN150-1500RF5(B)ch40/=440h816

EHA600X50-04

WN200-63RF5-3016MFMb=2-1.61021

WN15