ISO 646-CU
From Just Solve the File Format Problem
ISO 646-CU (646-CU, ISO IR-151, IR-151) is one of several 7-bit character encodings in the ISO/IEC 646 series which are national variants, replacing some of the ASCII characters with other characters suitable for particular languages. This one is aimed at the Cuban market, including some but not all of the characters used in the Spanish language.
