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
Priority claimed from FR8319855Aexternal-prioritypatent/FR2556276B1/fr
Priority claimed from FR8320341Aexternal-prioritypatent/FR2556651A2/fr
Application filed by Hugues LesourdfiledCriticalHugues Lesourd
Priority claimed from EP84402407Aexternal-prioritypatent/EP0145577B1/de
Application grantedgrantedCritical
Publication of ATE40315T1publicationCriticalpatent/ATE40315T1/de
AT84402407T1983-12-121984-11-26Tiefziehfaehiger, sandwichartig aufgebauter metallgegenstand, verfahren und vorrichtung zu seiner herstellung.
ATE40315T1
(de)