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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BLETTNER YVON
Original Assignee
BLETTNER YVON
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Filing date
Publication date
Application filed by BLETTNER YVONfiledCriticalBLETTNER YVON
Priority to FR7126998ApriorityCriticalpatent/FR2147353A5/fr
Application grantedgrantedCritical
Publication of FR2147353A5publicationCriticalpatent/FR2147353A5/fr