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(19)

RU

(11)

2 009 552

(13)

C1

(51)

IPC

(21) (22)

Application

4908094/12, 1990-12-26

(22)

Actual filing date

1990-12-26

(45)

Published

1994-03-15

(72)

Inventor

Petrushevskij Georgij Sergeevich

(73)

Holder

Petrushevskij Georgij Sergeevich

ACOUSTIC RESONATOR FOR CLAVICHORD TAB MUSICAL INSTRUMENT Russian patent published in 1994 - IPC

Abstract RU 2009552 C1

FIELD: musical instruments manufacturing. SUBSTANCE: valve aperture is making from lavsan-type material. EFFECT: better sounding of musical instrument. 2 cl, 2 dwg

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RU 2 009 552 C1

Authors

Petrushevskij Georgij Sergeevich

Dates

1994-03-15—Published

1990-12-26—Filed