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DE1945564A1
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Procedure for determining the time of attendance of an employee, device for carrying out this procedure and stamp card that can be used in the device
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DE1623903A1
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Device for pressure registration of measured and setting values
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DE1548861A1
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Device for pressure registration of measured and setting values
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DE1254748B
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Small electric direct current motor
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DE1061410B
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Time switch
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DE1028914B
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Signal switchgear
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DE1039415B
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Program switching device for signal systems or the like.
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DE1034248B
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Electrical switch for time and permanent switching
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DE1014033B
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Pin power supply arrangement for electrical slave clocks
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DE964849C
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Automatic tracking device for electrical master clocks
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DE922576C
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Power locking device for signal clocks, master clocks, time switches, etc. like
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DE897678C
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Reversing relay for electrical clock systems
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DE827774C
|
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Calendar mechanism for office and similar clocks
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DE819928C
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Power locking device for electrically operated working time recording devices and similar apparatus.
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DE897338C
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Device for the temporal control of the working methods of a worker as well as the sleeping or waking state of humans
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DE483407C
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Length measuring device for fabrics and similar flexible materials
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DE440552C
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Racing pigeon flight time controller
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DE546342C
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Drive device for working time control and recording apparatus
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