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FR3093883A1
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Communication system between a doorman and a smart phone
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FR3091799A1
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Communication module for elevator car or the like
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FR3087040A1
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System for giving alert between an elevator and a central station
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FR3069080A1
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MONITORING SYSTEM COMPRISING A CENTRAL POSITION AND A PLURALITY OF SURVEILLANCE POSTS, ESPECIALLY OF IP TECHNOLOGY
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FR3027760A1
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Device forming terminal of call "bluetooth" intercom
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FR3027761A1
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Device forming a call terminal of a "touch" intercom
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FR2994780A1
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Communication terminal, for example, street platinum
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FR2785108A1
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Sensitive touch contactor
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FR2722599A1
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Process for monitoring the good operating condition of a plant for exchanging information
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