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.)
P BERTHOUD ETS
Original Assignee
P BERTHOUD 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 P BERTHOUD ETSfiledCriticalP BERTHOUD ETS
Application grantedgrantedCritical
Publication of FR805026ApublicationCriticalpatent/FR805026A/en