EPSG_3384: "+proj=cass +lat_0=4.85906302222222 +lon_0=100.815410586111 +x_0=-1.769 +y_0=133454.779 +ellps=GRS80 +units=m +no_defs +type=crs" = '+proj=cass +lat_0=4.85906302222222 +lon_0=100.815410586111 +x_0=-1.769 +y_0=133454.779 +ellps=GRS80 +units=m +no_defs +type=crs'
GDM2000 / Perak Grid
metrenull5.92,100.07,3.66,102