EPSG_21417: "+proj=tmerc +lat_0=0 +lon_0=99 +k=1 +x_0=17500000 +y_0=0 +ellps=krass +towgs84=15.8,-154.4,-82.3,0,0,0,0 +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=0 +lon_0=99 +k=1 +x_0=17500000 +y_0=0 +ellps=krass +towgs84=15.8,-154.4,-82.3,0,0,0,0 +units=m +no_defs +type=crs'
Beijing 1954 / Gauss-Kruger zone 17
metre143.18,96,21.13,102.01