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
CA910026A
Inventor
Ruckstuhl Franz
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.)
ERIK OLSSON AG
Original Assignee
ERIK OLSSON AG
Publication date
Application grantedgrantedCritical
Publication of CA910026ApublicationCriticalpatent/CA910026A/en