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FRANKLIN S HOLMES
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FRANKLIN S HOLMES
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Publication of FR353605ApublicationCriticalpatent/FR353605A/fr
H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
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Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
FR353605D1904-03-191905-03-15Système signaleur électrique à fonctionnement automatique
ExpiredFR353605A
(fr)