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(33957) ++ 1969.m. National RQ-210 S
(28556) +++ 1964.a.c. caseta/cartridge RCA 8 piste/8-track
(26203) +++ 1958.a.c. caseta RCA Sound Tape Cartridge - 4-piste/tracks
(23288) +++ 1950.b.c. first endless cassette - caseta/cassette Tefi Schallband
(19844) +++ 1967.l.c. Philips LFH 0001 = first minicassette(TM) in the world
(19633) + 1972.f. National Panasonic RQ-212 S
(16585) +++ 1968.i. Grundig DeJur Mini-Memo /EN7
(15252) +++ 1957.a. Dictaphone Dictet MPA = world's 1st transistorised pocket tape recorder
(14490) +++ 1951(?).a.c. caseta/cartridge Peirce 330
(14232) +++ 1968.a. Sony TC-50 = first ''compact-cassette'' voice recorder
(13771) +++ 1962.b.c. caseta/cassette Orrtronic Tapette