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Priority claimed from FR8221741Aexternal-prioritypatent/FR2538431B1/en
Priority claimed from FR8303119Aexternal-prioritypatent/FR2541706B2/en
Application filed by Gabriel GuerinfiledCriticalGabriel Guerin
Application grantedgrantedCritical
Publication of ATE51050T1publicationCriticalpatent/ATE51050T1/en