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DE2821404B1
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Protective circuit arrangement against an unnecessarily long duty cycle of switching amplifiers
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DE2710662A1
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Connection for charging battery from load circuit - using nonlinear resistors in series with load and diodes in series
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ES424906A1
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A circuit disposition for rate indicators. (Machine-translation by Google Translate, not legally binding)
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DE2406022A1
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Telephone charge meter - connected forward of the user's receiver and using stepping motor
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DE2405007B1
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Telephone charge meter - connected forward of the user's receiver and using stepping motor
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DE1229154B
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Circuit arrangement for charge counters in telephone subscriber stations
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DE1267450B
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Electromagnetic stepping mechanism
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DE1056737B
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Moving coil instrument for use in DC and AC circuits, in particular a multiple measuring instrument
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