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DK7169C
(en)
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Apparatus for automatically disconnecting an electric current.
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DK6300C
(en)
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Apparatus for disconnecting an electric current after a predetermined period of time.
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DK21394C
(en)
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Apparatus for automatically disconnecting an electric current at any time.
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DK6724C
(en)
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Apparatus for electric Lighting.
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DK4484C
(en)
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Automatic Apparatus for Sale of Electric Power.
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ES34020A2
(en)
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An apparatus called an electric current limiter.
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DK19228C
(en)
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Apparatus for terminating an electric current at temperature rise.
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DK23352C
(en)
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Apparatus for Transforming Electric Currents.
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DK29947C
(en)
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Method and Apparatus for amplifying electrical current, voltage or energy changes.
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DK6846C
(en)
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Apparatus for Threading Synaale.
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DK21509C
(en)
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Apparatus for generating rapid electrical oscillations.
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DK12711C
(en)
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Apparatus for Providing Very Large Constant Voltage Differences.
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ES33509A1
(en)
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An electrical current limiting device.
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DK21448C
(en)
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Apparatus for generating high frequency currents.
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DK4717C
(en)
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Method for Forming an Electric Arc Light.
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DK8373C
(en)
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Transformer for High Voltage Electric Currents for Generating Electric Waves.
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DK3465C
(en)
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Apparatus for the Prevention of Boiler Stone by an Electric Current conducted through the Boiler.
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DK5808C
(en)
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Apparatus for cooling liquids.
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DK19275C
(en)
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Apparatus for Sterilizing Liquids by High Voltage Electricity.
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DK8163C
(en)
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Apparatus for Switching Lighting Apparatus on and off.
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ES34505A1
(en)
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An apparatus for electric heating.
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DK39464C
(en)
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Apparatus for controlling high frequency currents.
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DK31748C
(en)
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Method and Apparatus for Generating Alternating Currents.
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DK5780C
(en)
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Apparatus for Counting Telephone Calls.
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DK12270C
(en)
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Apparatus for amplifying the intensity of weak currents.
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