DE128806A
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DE3785680T2
(de )
1993-11-11
Rückziehgerät für ein Kleinklavier und Mittel zu seiner Anwendung.
DE3139404C2
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1988-12-01
DE190009C
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AT39900B
(de )
1909-12-10
Modulator für Pianoautomaten und dergl.
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DE104471C
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1900-01-01
DE218374C
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DE190003C
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DE217016C
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DE194296C
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DE83836C
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1900-01-01
DE221286C
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DE120638A
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DE40041C
(de )
Decrescendo- und Crescendo-Zug an Pianinos
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DE247056C
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DE1199C
(de )
Vorrichtung zur Toniverlängerung an Pianinos
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DE198951C
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