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ES2315138A1
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VIDEO PORT SYSTEM WITH POWER, AUDIO, VIDEO TRANSMISSION AND DATA ON BIFILAR LINE.
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ES2273578A1
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VIDEOPORTER SYSTEM FOR TCP / IP NETWORKS.
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ES2211306A1
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TERMINAL FOR ELECTRONIC VIDEO PORTERS.
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ES2195745A1
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Wireless electronic intercom
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ES2180429A1
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Electronic card rack for electronic door intercom button board
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ES2167192A1
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Battery module for videoporter monitor.
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ES2160509A1
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Device for receiving calls from video porter.
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ES2151457A1
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Procedure and device for video transmission in electronic porters
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ES2114829A1
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Control circuit for flat cathodic ray tube.
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ES2120380A1
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Community electronic goalkeepers and video-goalkeepers system.
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ES2105950A1
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Sound message transmitter device for electronic doors.
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ES2021502A6
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Digital access equipment for electronic door answering devices and video door answering devices
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ES2012008A6
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Equipment for two-wire electronic door surveillance with door openers
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ES2007618A6
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Perfections in electronic goal systems. (Machine-translation by Google Translate, not legally binding)
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ES8705984A1
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Electronic device for opening locks
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