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.)
POSTEL ETS
Original Assignee
POSTEL ETS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by POSTEL ETSfiledCriticalPOSTEL ETS
Application grantedgrantedCritical
Publication of FR594060ApublicationCriticalpatent/FR594060A/en