|
DK7263C
(da)
|
|
Klaviatur til Musikinstrumenter.
|
|
GB190803665A
(en)
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|
An Improvement in the Construction of Musical, Stringed Instruments
|
|
AT25421B
(de)
|
|
Elektrisches Tasteninstrument.
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|
CH34766A
(de)
|
|
Neuerung an zweichörigen Streichinstrumenten
|
|
FR351869A
(fr)
|
|
Nouvel instrument de musique
|
|
CA99954A
(en)
|
|
Keyboard for musical instruments
|
|
DK7847C
(da)
|
|
Strygeklaver.
|
|
CH34869A
(de)
|
|
Klavierschlüssel
|
|
FR360154A
(fr)
|
|
Clefs anglaises
|
|
FR353740A
(fr)
|
|
Mécanisme de piano
|
|
FR362475A
(fr)
|
|
Perfectionnements aux pianos
|
|
FR351998A
(fr)
|
|
Sténographie musicale
|
|
FR367566A
(fr)
|
|
Piano-violon
|
|
DK10791C
(da)
|
|
Mekanisk Tangentstrygeinstrument.
|
|
FR377554A
(fr)
|
|
Claviers pour instruments de musique
|
|
AT37156B
(de)
|
|
Transponiervorrichtung für Tasteninstrumente.
|
|
CH38041A
(de)
|
|
Gewölbter Resonanzboden für Klaviere
|
|
FR360901A
(fr)
|
|
Instruments de musique à cordes
|
|
DK7544C
(da)
|
|
Indretning til Nedskrivning af paa Tangentinstrumenter spillede Musikstykker.
|
|
AU473405B
(en)
|
|
Tracker-board for musical instruments
|
|
CA95771A
(en)
|
|
Self-playing piano
|
|
AT23610B
(de)
|
|
Saiteninstrument.
|
|
FR356585A
(fr)
|
|
Clef anglaise
|
|
CH36725A
(de)
|
|
Saitenspielinstrument
|
|
CA93870A
(en)
|
|
Musical instrument
|