Variable EPSG_21017`Const`

EPSG_21017: "+proj=tmerc +lat_0=0 +lon_0=99 +k=1 +x_0=500000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs" = '+proj=tmerc +lat_0=0 +lon_0=99 +k=1 +x_0=500000 +y_0=0 +ellps=GSK2011 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs'

GSK-2011 / Gauss-Kruger CM 99E