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BE338165A
(enExample)
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FR2805390A1
(fr)
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Contacteur a courant alternatif
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JP2003177737A
(ja)
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鍵盤楽器の消音装置
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US1530123A
(en)
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Mechanical instrument player
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BE351259A
(enExample)
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US1133370A
(en)
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Electric piano-player.
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US3186285A
(en)
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Piano having electrically actuated key playing means
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US2121262A
(en)
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Organ key-control apparatus
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CH127805A
(fr)
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Métronome.
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US1318977A
(en)
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dabujy |
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US1775261A
(en)
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Automatic musical instrument
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US4615254A
(en)
|
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Organ drawknob
|
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US1097033A
(en)
|
|
Coin-operated mechanism for automatic pianos.
|
|
CN223808894U
(zh)
|
|
拨杆机构及智能吉他
|
|
JP4576707B2
(ja)
|
|
鍵盤楽器の消音装置および鍵盤楽器の弱音装置
|
|
US923147A
(en)
|
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Combined electrical piano playing and recording attachment.
|
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CH310523A
(fr)
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Installation comprenant une pièce à musique.
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US682272A
(en)
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Case for perforated music-sheets for musical instruments.
|
|
US2222223A
(en)
|
|
Musical instrument
|
|
US1431677A
(en)
|
|
Art of muting instruments of the viol class
|
|
US606279A
(en)
|
|
dayis |
|
BE417452A
(enExample)
|
|
|
|
CH593534A5
(en)
|
|
Piano accordion including electronic rhythm accompaniment - has controls for rhythm comprising selectors and potentiometers
|
|
BE333810A
(enExample)
|
|
|
|
FR2752529A1
(fr)
|
|
Puzzle sonore
|