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.)
Expired
Application number
CA718377A
Inventor
Muhlhausser Martin
Post Wolfgang
Keller Hans
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.)
Constellium Singen GmbH
Original Assignee
Aluminium Walzwerke Singen GmbH
Publication date
Application grantedgrantedCritical
Publication of CA718377ApublicationCriticalpatent/CA718377A/en