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SHAFFNER SAMUEL-C
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SHAFFNER SAMUEL-C
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Application filed by SHAFFNER SAMUEL-CfiledCriticalSHAFFNER SAMUEL-C
Application grantedgrantedCritical
Publication of FR324810ApublicationCriticalpatent/FR324810A/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)
FR324810D1902-08-061902-08-06Appareil d'alarme pour appeler les agents de police
ExpiredFR324810A
(fr)