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FR829953A Expired / Lapsed FR ⏱️ 0.0 years remaining

Sheets or cards fitted with notches or selection notches and selector devices using these sheets

Assignee: COMPTOIR GENERAL DE MECANOGRAP
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Filing: 1937-03-12
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Granted: 1938-07-18
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Expires: 1957-03-12
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-06 13:49
CPC Classifications
G; G06; G06K; G06K21/00; G06K21/02

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