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US2953052A
(en)
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Electronic acoustical stringed instrument
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US5824927A
(en)
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Keyed free-reed instruments scope
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HUP0105118A2
(hu)
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Kétkamarás hangsoros zenei intonációk, és ebből készült hangfelvételek
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US1839244A
(en)
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|
Neckless guitar-mandolin
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|
US1010240A
(en)
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|
Guitar.
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US4345503A
(en)
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|
Interchangeable tone chamber
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US906612A
(en)
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|
Stringed musical instrument.
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|
US4212223A
(en)
|
|
Mouthpiece for woodwind musical instruments
|
|
PL38790B1
(cs)
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|
|
|
US2983178A
(en)
|
|
Accordion-organ
|
|
US2023358A
(en)
|
|
Musical instrument
|
|
US563113A
(en)
|
|
Haupt |
|
US1635429A
(en)
|
|
Violin mandolin
|
|
US1698958A
(en)
|
|
Musical instrument
|
|
US2069447A
(en)
|
|
Accordion
|
|
US1788613A
(en)
|
|
Wind instrument
|
|
US894778A
(en)
|
|
Mouth-accordion.
|
|
US588107A
(en)
|
|
Harmonica |
|
US2910906A
(en)
|
|
Musical instrument
|
|
US2260066A
(en)
|
|
Musical instrument
|
|
US3796122A
(en)
|
|
Music processing and purifying apparatus
|
|
US2539662A
(en)
|
|
Megaphone for wind instruments
|
|
US1908613A
(en)
|
|
Stringed musical instrument
|
|
US1800980A
(en)
|
|
Stringed musical instrument
|
|
JP3181690U
(ja)
|
|
鍵盤楽器、鍵盤打楽器、クロマチックハーモニカ。
|