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DK6562C
(en)
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Telephone connection device with quiescent current operation.
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DK7171C
(en)
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Telephone connection device.
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ES34813A1
(en)
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An announcing device.
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ES33509A1
(en)
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An electrical current limiting device.
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ES33357A1
(en)
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Improvements in electrical signaling devices.
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AT24623B
(en)
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Telephone relay.
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DK6443C
(en)
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Telephone Memorandum.
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ES34179A1
(en)
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An electrical annunciator.
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ES35190A1
(en)
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An electric tool-impeller.
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ES34386A1
(en)
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A new electrical current limiting device.
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ES34218A1
(en)
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A new electrical current limiting device.
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ES36952A3
(en)
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An announcing device.
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ES36679A1
(en)
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An Electrical Switching device entitled Electro-igniter-damper.
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ES35373A1
(en)
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An ideal revulsive device.
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DK6506C
(en)
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Time contact device.
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AT25443B
(en)
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Automatic telephone switch.
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AT23695B
(en)
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Parallel vice.
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CH33516A
(en)
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Self-collecting telephone system
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ES34212A1
(en)
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An Isolator-Fernández support device.
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ES35115A1
(en)
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An electro-medicinal accessory.
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AT25579B
(en)
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Telephone mouthpiece.
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ES33668A1
(en)
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Improvements in medical-mechanical devices.
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CH30269A
(en)
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Telephone system with closed-circuit operation
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ES34399A1
(en)
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Improvements in telephone repeaters.
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ES36954A1
(en)
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An automatic-regulator-oiler.
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