DK21790C
(en)
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Transmission of Electrical Impulses through High Capacity Circuits.
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DK22107C
(en)
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System for Transmission of Electrical Impulses.
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DK34223C
(en)
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Device for Compensating Changes in the Electrical Characteristics of Multiple Transmission Circuits.
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FR478616A
(en)
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Ball carrier
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FR23871E
(en)
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Telegraph transmitter
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FR532184A
(en)
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Circuit breaker
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CH72273A
(en)
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Underwear
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DK20134C
(en)
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Time circuit breaker.
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ES67157A1
(en)
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Improvements in the connection of telephone devices.
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CA166015A
(en)
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Telegraph circuit
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CH69083A
(en)
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Figure telegraph
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DK22713C
(en)
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Transmission device.
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FR478148A
(en)
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Loudspeaker telephone receiver
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FR478228A
(en)
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Current limiter arrangement
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CH72118A
(en)
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Telegraph system
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FR23827E
(en)
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Telegraph transmitter
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DK22618C
(en)
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Coil for Charging Telephone Circuits.
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FR490940A
(en)
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Telephone receiver
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FI6129A
(en)
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Automatic circuit breaker
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FR489694A
(en)
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Telephone transmitter
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FR483939A
(en)
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Telephone transmitter
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FR523793A
(en)
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Telephone transmitter
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CH71155A
(en)
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Component
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CH71723A
(en)
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Transmission system
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DK25389C
(en)
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Electrical circuit breaker.
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