Logo Brand Number of cassettes
in catalog
Year
Onix 2 1978 - 1978
Optima 5
Optimax 2 1978 - 1978
Opus 17
Ora 5 1992 - 1992
Orchid 5 1984 - 1984
Orson 3
Osaka 1 1976 - 1976
Osawa 8 1983 - 1983
Oscar 1
Oxus 9 1986 - 1986

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