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FOYER
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FOYER
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Application filed by FOYERfiledCriticalFOYER
Priority to FR7117953ApriorityCriticalpatent/FR2137307B1/fr
Priority to IT2290672Aprioritypatent/IT951246B/it
Priority to DE19722218949prioritypatent/DE2218949A1/de
Publication of FR2137307A1publicationCriticalpatent/FR2137307A1/fr
Application grantedgrantedCritical
Publication of FR2137307B1publicationCriticalpatent/FR2137307B1/fr