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DK5393C
(en)
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Electrical Resistance with powdered Graphite mass as Resistance body.
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CH34138A
(en)
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Electrical resistance body
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ES37157A1
(en)
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An electrical resistance "Vulcano".
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AT23227B
(en)
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Thermal battery.
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CH31931A
(en)
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Electrical resistance body
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GB190424560A
(en)
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Electric Testing Clip.
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ES33509A1
(en)
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An electrical current limiting device.
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DK9376C
(en)
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Arc lamp with an insulating layer between the pointed carbon tips at an angle to each other.
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ES46298A2
(en)
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Improvements made to the gas heater.
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FR350817A
(en)
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Fast telegraphy
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DK6617C
(en)
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Moblit Shoots with Recul within the Lavetten.
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CH47323A
(en)
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Electrical resistance
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ES41602A1
(en)
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Improvements in the carbon holders of electric furnaces.
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DK13508C
(en)
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Electric Flashlight with sliding Contact.
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DK5399C
(en)
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Metal sealing ring with graphite filling for stop bushings.
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AT25659B
(en)
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High voltage cables.
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DK8771C
(en)
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Metal contact thermometer with adjustable Contact.
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GB190302568A
(en)
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An Improved Medicinal Compound.
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DK11739C
(en)
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Electric Arc lamp with upward facing arc.
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ES33864A1
(en)
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A new electrical resistance.
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GB190422570A
(en)
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An Appliance for Measuring the Size of the Foot.
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ES32307A1
(en)
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Improvements in the way of regulating dynamos.
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ES66975A1
(en)
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New electrical resistance for well-defined applications.
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AT25423B
(en)
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Electric clock.
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AT22995B
(en)
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Electric express mail.
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