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2 030 122

(13)

C1

(51)

IPC

(21) (22)

Application

5056911/10, 1992-07-28

(22)

Actual filing date

1992-07-28

(45)

Published

1995-02-27

(72)

Inventor

Galiev A.L.Galieva R.G.Kravtsova L.A.

(73)

Holder

Maloe Predprijatie Sistemy I Ehkologija"

HEARING AID Russian patent published in 1995 - IPC

Abstract RU 2030122 C1

FIELD: medical science. SUBSTANCE: hearing aid includes acoustoelectric converter 1, preamplifier 2, storage 3, inverter 4, key 5, unit 6 of amplification and switching over, filter 7, electric-acoustic converter 8. EFFECT: expanded functional characteristics, enhanced efficiency. 1 dwg

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RU 2 030 122 C1

Authors

Galiev A.L.

Galieva R.G.

Kravtsova L.A.

Dates

1995-02-27—Published

1992-07-28—Filed

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