Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Drault & Raulot Lapointe
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Drault & Raulot Lapointe
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Publication date
Application filed by Drault & Raulot LapointefiledCriticalDrault & Raulot Lapointe
Application grantedgrantedCritical
Publication of FR544902ApublicationCriticalpatent/FR544902A/fr
G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers