GB121050A
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Improvements in or relating to Electrical Condensers.
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CA189943A
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Condenser
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US1281309A
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Protective unit.
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CA181503A
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Electrical condenser
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US1279850A
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Wireless apparatus and method therefor.
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US1079225A
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Electric heater.
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GB191316917A
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Improved Method of and Means for the Production of Alternating, Pulsating or Variable Electric Currents.
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GB191211090A
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Improvements in or relating to Apparatus for the Production of Ozone.
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GB191211091A
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Improvements in or relating to Apparatus for Producing Electric Oscillations adapted for Wireless Communication and other purposes.
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GB191208197A
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Improved Method of and Apparatus for Producing High Tension or High Frequency Electric Currents.
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GB191208196A
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Improvements in and relating to High Frequency Apparatus.
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GB191206909A
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Improved Method of and Apparatus for Utilizing Transformed and Primary Currents.
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US1121077A
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Electrode device for high-frequency apparatus.
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US1004152A
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High-frequency apparatus.
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US1023135A
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High-frequency apparatus.
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CA463373A
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Fluid treating apparatus
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CA267406A
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Testing device for electrical insulations
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CA258904A
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Electrical condenser
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CA283847A
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Electrical condenser
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CA225833A
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Electrical condenser
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