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
CA683770A
Inventor
Sennewald Kurt
Born Klaus
Rehberg Heinrich
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.)
Knapsack Griesheim AG
Original Assignee
Knapsack Griesheim AG
Publication date
Application grantedgrantedCritical
Publication of CA683770ApublicationCriticalpatent/CA683770A/en