DEVICE FOR CONTROL OF CONNECTIONS IN EXCHANGE
MKHITARYAN VAAGN R,SU, KHOVEN ALEKSANDR V,SU, DOBROVOLSKIJ YURIJ V,SU
Year of Publication 07.12.1980
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Year of Publication 07.12.1980
Patent
AUTOMATIC EXCHANGE
MKHITARYAN VAAGN R,SU, KHOVEN ALEKSANDR V,SU, DOBROVOLSKIJ YURIJ V,SU
Year of Publication 07.10.1980
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Year of Publication 07.10.1980
Patent
DEVICE FOR REPEATING CALL IN AUTOMATIC EXCHANGES
MKHITARYAN VAAGN R,SU, KHOVEN ALEKSANDR V,SU, DOBROVOLSKIJ YURIJ V,SU
Year of Publication 30.08.1980
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Year of Publication 30.08.1980
Patent
AUTOMATIC DESK TELEPHONE SET
MKHITARYAN VAAGN R,SU, KHOVEN ALEKSANDR V,SU, DOBROVOLSKIJ YURIJ V,SU
Year of Publication 23.08.1980
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Year of Publication 23.08.1980
Patent