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Cold light source
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Attachment plug cap
|
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Conveyer stop announcing system
|
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Phonograph
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Lid supporting means for cabinets or boxes
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Motor drive
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Phonograph
|
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Apparatus for reproducing sound from records
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Electric switch gear
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Synchronous motor
|
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Automatic stop
|
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|
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Winding mechanism
|
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|
Selector tuning device
|
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Wire stylus and method and means of feeding same
|
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Carrying handle for portable gramophones or the like
|
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Selector tuning device
|
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|
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Sound reproducing means and method
|
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Means and method of reproducing pictures or scenes from recordes impulses
|
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Sound reproducing apparatus
|
US1916973A
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Sound reproducing means and method
|