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
CA801678A
Inventor
Grimm Hugo
Drechsel Herbert
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 CA801678ApublicationCriticalpatent/CA801678A/en