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+++ 1969.c. Philips N2401S - world's 1st autoreverse cass. recorder
+ 1969.g. Philips 22RR482
+ 1969.h. Sanyo M-48M
+ ca1969.i. General Electric M-8430
+ 1967(?).n. Mercury 20-1002
+++ 1969.j.c. microcaseta/microcassette 
++ 1968.m. Akkord Combiphon 840
1970.a. Philips N2605
1970.b. Philips N2202
++ 1970.d. Philips N2209AV
++ 1970.e. Philips N2503
1970.f. Philips 22RR700(70)
++ 1970.g. Denon TRC-798ED Cassematic-12
++ 1970.j. National RQ-210 S
+++ 1970 (?).i.c. professional endless 8-track cassette