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DE405738C
|
|
Key lock for calculating machines
|
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DE712826C
|
|
Record mass and method of making same
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|
DE689736C
|
|
same
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|
DE692536C
|
|
chmachines
|
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DE708756C
|
|
Record player
|
|
DE669202C
|
|
Method and system for producing records from a strip of material
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|
DE642838C
|
|
Automatic parking device for speaking machines
|
|
DE651056C
|
|
Electrical equalization circuit
|
|
DE644000C
|
|
On and off device for record speaking machines
|
|
DE593548C
|
|
Process for generating cold
|
|
DE580803C
|
|
Electric reproducer for record recordings
|
|
DE575984C
|
|
Sound recording or reproducing device
|
|
DE620894C
|
|
Adjustable terminal board provided on an electric motor
|
|
DE583018C
|
|
Sound recording and reproducing device
|
|
DE554272C
|
|
Elevator device for spring drives
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|
DE649964C
|
|
Automatic start and stop device for speaking machines
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|
DE557754C
|
|
Sound box, especially for speaking machines
|
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DE554271C
|
|
Sound recording device
|
|
DE532203C
|
|
On and off device for speaking machines
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|
DE535196C
|
|
Tonearm bearings for speaking machines
|
