DK15427C
(en)
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Ringing machine for tower bells with electric operation and switch for the same.
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DK15749C
(en)
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Device for electrical switches, switches and the like.
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AT58156B
(en)
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Time switch.
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FR433084A
(en)
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Switch
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DK17050C
(en)
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Apparatus for electric Ringing with Church bells and the like.
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DK13405C
(en)
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Device for electrical switches, switches and the like.
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FR415541A
(en)
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Time switch
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CH48001A
(en)
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Time switch
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CH48893A
(en)
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Time switch
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DK17849C
(en)
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Electrical Switch.
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ES52398A1
(en)
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Perfected electrical switch.
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CH55434A
(en)
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Time switch
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ES52044A1
(en)
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An electrical switch.
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FR14930E
(en)
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Time switch
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CH49805A
(en)
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Time switch
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CH49806A
(en)
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Time switch
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DK20015C
(en)
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Device for electrical switches, switches and the like.
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ES51323A1
(en)
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Improvements in gas producers.
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ES46674A1
(en)
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Improvements in electrical switches.
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FR438493A
(en)
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Switch
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AT53585B
(en)
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Switching device.
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DK17413C
(en)
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Electrical Alarm, Signal and Control Apparatus.
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DK14015C
(en)
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Time switch or end.
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ES45839A1
(en)
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Momentary switch.
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DK16081C
(en)
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Electrical Pressure Switch.
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