Logo Brand Number of cassettes
in catalog 		Year
Ross 66 2
Roticet 8 1974 - 1982
Rovette 2
Royal 1 1974 - 1974
Rozet 1
Rubin 1
Ruefach 1 1982 - 1982
Rulag 4 1978 - 1982
Rupas 3 1984 - 1984
S+S 1
S.B.L. 1
S.T.R. 1
SANY 1
SB-Elektronik 3
SCR 1
SDR 1 1979 - 1979
SH 1 1985 - 1985
SH Standard 1
SKC 134 1984 - 2001
SMP 2 1976 - 1976

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