proj4.defs("EPSG:2174","+proj=sterea +lat_0=51.6708333333333 +lon_0=16.6722222222222 +k=0.9998 +x_0=3703000 +y_0=5627000 +ellps=krass +towgs84=44.107,-116.147,-54.648,0,0,0,0 +units=m +no_defs +type=crs");