proj4.defs("EPSG:2044","+proj=tmerc +lat_0=0 +lon_0=105 +k=1 +x_0=18500000 +y_0=0 +ellps=krass +towgs84=-17.51,-108.32,-62.39,0,0,0,0 +units=m +no_defs +type=crs");