PROJCS["Kertau (RSO) / RSO Malaya (ch)",GEOGCS["Kertau (RSO)",DATUM["Kertau_RSO",SPHEROID["Everest 1830 (RSO 1969)",6377295.664,300.8017,AUTHORITY["EPSG","7056"]],AUTHORITY["EPSG","6751"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4751"]],PROJECTION["Hotine_Oblique_Mercator"],PARAMETER["latitude_of_center",4],PARAMETER["longitude_of_center",102.25],PARAMETER["azimuth",323.0257905],PARAMETER["rectified_grid_angle",323.130102361111],PARAMETER["scale_factor",0.99984],PARAMETER["false_easting",40000],PARAMETER["false_northing",0],UNIT["British chain (Sears 1922 truncated)",20.116756,AUTHORITY["EPSG","9301"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3167"]]