DK24977C
(en)
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Telegraph Procedure on High Capacity Lines.
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CH92013A
(en)
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Amplifier circuit.
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DK24726C
(en)
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Anordning til Anbringelse af Renseredskaber paa Forstellet af en almindelig Radsaamaskine.
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DK24725C
(en)
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Beet launcher.
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AT89490B
(en)
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Telephone system.
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DK33823C
(en)
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Telephone system.
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DK34337C
(en)
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Telephone system.
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DK35129C
(en)
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Telephone system.
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DK37349C
(en)
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Telephone system.
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DK37946C
(en)
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Telephone system.
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DK26749C
(en)
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Self-spreading Ajlevogn.
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DK30997C
(en)
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Telegraphic Receiver.
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DK26584C
(en)
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Vognkæplaas til Arbejdsvogne.
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DK31946C
(en)
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Telegraphic Typewriter.
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DK24512C
(en)
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Merlespiger til Splidsning af Staaltraadstove.
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DK33125C
(en)
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Transmission system for High Frequency Telegraphy and the like.
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DK33502C
(en)
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Telephony device with high frequency oscillations.
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DK26569C
(en)
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Electrical Machine Telegraph System.
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DK28679C
(en)
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Cinematographer.
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DK28530C
(en)
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Headphone.
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DK31951C
(en)
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Device for High Frequency Telegraphy on Wires.
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DK33136C
(en)
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Connecting device for multiplex telegraphy and multiplex telephony with high frequency on wires.
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DK24417C
(en)
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Defoamer.
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DK24787C
(en)
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Automatic Maximum switch, specially designed for Trams.
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DK29503C
(en)
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Mercury power connector with several contacts that close gradually.
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