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DE899729C
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Arrangement of indicator lights on vehicles
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DE942848C
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Device for focusing photographic equipment
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DE827121C
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Combination of display devices
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DE872126C
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Eddy current tachometer
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DE813968C
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Remote liquid level indicator
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DE871997C
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Device for focusing photographic equipment
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DE764207C
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Remote speed transmission
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DE699529C
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Device for guiding and fixing the projector head on photographic enlarging devices
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DE700209C
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Photographic enlarger with a device for determining the exposure time
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DE715652C
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Eddy current tachometer
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DE647224C
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Negative holder for photographic enlargers
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DE630658C
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Electric water heater with automatic switching by means of a membrane exposed to full liquid pressure
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DE424861C
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Lighting device on measuring devices
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DE430600C
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Speedometer drive
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DE411005C
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Lighting device on measuring devices
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DE417902C
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Eddy current speedometer
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DE381735C
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Device for displaying an interruption in the oil flow, especially for the lubrication of engines
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DE418937C
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Lighting device on measuring devices
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DE633670C
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Film tape holder for photographic enlargers
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