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
CA721199A
Inventor
D. Schulz Hans
Buschmann Horst
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.)
Schloemann AG
Original Assignee
Schloemann AG
Publication date
Application grantedgrantedCritical
Publication of CA721199ApublicationCriticalpatent/CA721199A/en