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
CA717905A
Inventor
Drechsel Herbert
Grimm Hugo
Dorr Karl-Heinz
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
Publication date
Application grantedgrantedCritical
Publication of CA717905ApublicationCriticalpatent/CA717905A/en