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++ 1967.h. Sanyo M-18 - first cassette-recorder of this producer
+++ 1971 g. Alpha One 
+++ 1971.g.c. Alpha One 
+++ 1978.b. Fisher CR-4025 - world's 1st wireless remote cassette recorder
+++ 1967.g. Mercury TR-8700 - world's 1st portable stereo cassette-recorder 
1971 Exemplu de reclama pentru caseta / sample of advert for cassette (1)
sample of relevant adverts (2) / exemple de reclame
++ 1957.b Tefifon U (KC1/KoU) - world' 2nd radio-cassette player; 1st radio-endless cassette
++ 1966. g. Lear-Jet AS-830H - car radio-cartridge player
+++ 1966.b. Philips EL3310 - world 1st cass. having manual and auto recording level
++ 1968.w. Mercury PM-600 - first US portable radiorecorder using compact-cassette(TM)
++ 1967.v. Aiwa TP-1104
+++ 1954.a. Mohawk Repeater MR/JR - first USA endless cartridge message player/repeater
+++ 1954.a.c. Mohawk Message Repeater Cartridge - 1st USA endless cartridge
+++ 1956.b. Nora T5 - first endless cassette with magnetic tape, also for pre-recorded music