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DK7725C
(en)
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Device for automatic switching off of lights.
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DK7668C
(en)
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Device for switching off Railway signal lamps.
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CH34519A
(en)
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Automatic changeover device
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AT25443B
(en)
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Automatic telephone switch.
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FR347245A
(en)
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Automatic switch
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CH28535A
(en)
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Automatic off switch
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FR360459A
(en)
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Automatic switch
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DK7722C
(en)
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Automatic Device for Stopping Mechanical Weaves.
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FR7876E
(en)
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Automatic switch
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DK7903C
(en)
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Device for Stopping the Sniper.
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DK7579C
(en)
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Device for the manufacture of sinks.
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DK7661C
(en)
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Procedure for Manufacturing Hulsten.
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FR333086A
(en)
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Automatic switch
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FR338286A
(en)
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Automatic switch
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FR2914E
(en)
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Automatic switch
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DK7590C
(en)
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Procedure for Refining Clays.
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DK5382C
(en)
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Procedure for Making Light.
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DK7209C
(en)
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Device for short-term gas lighting.
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DK7239C
(en)
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Central switching device for Telephone Systems.
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CH42124A
(en)
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Automatic switch for gas lamps
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AT31976B
(en)
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Flash or time light lamp.
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DK7985C
(en)
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Device for rapid release of lifeboats.
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DK7686C
(en)
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Procedure for the production of so-called cold light.
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DK7957C
(en)
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Device for making patterns on clay strings.
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DK8006C
(en)
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Screen for Dividing Light Beams.
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