EPSG_5673: "+proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0 +ellps=krass +towgs84=26,-121,-78,0,0,0,0 +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=0 +lon_0=9 +k=1 +x_0=3500000 +y_0=0 +ellps=krass +towgs84=26,-121,-78,0,0,0,0 +units=m +no_defs +type=crs'
Pulkovo 1942(83) / 3-degree Gauss-Kruger zone 3 (E-N)
metre551.56,9.92,50.35,10.5