Direct station selection console

Recording – communication – or information retrieval equipment – Computer – data processor equipment

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Details

D14 60, D14115

Patent

active

D02827450

REFERENCES:
patent: D249513 (1978-09-01), Zierhut
patent: D257772 (1981-01-01), Fukutani
patent: D271767 (1983-12-01), Ohie
patent: D272349 (1984-01-01), Dickinson
patent: D278533 (1985-04-01), Ando
patent: D278709 (1985-05-01), Xanthopoulus
patent: 3567001 (1971-03-01), Johnson et al.
patent: 3587178 (1971-06-01), Kojima
patent: 3739161 (1973-06-01), Gross et al.
patent: 4467150 (1984-08-01), Lectermann et al.
Telefon Report, vol. 11, #3, pp. 91-95, May 1976: Siemens Topset Tel. Systems.
Telephony, 6/16/1962; Adky Stromberg-Carlson RE F-50 PBX, pp. 2-3.
Ericssor Review, No. 3, 1982; Article Re Electronic PMBX, ADD 20; pp. 148-151.

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