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
CA904422A
Inventor
Bostrom Sten-Lennart
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.)
Dasy Inter SA
Original Assignee
Dasy Inter SA
Publication date
Application grantedgrantedCritical
Publication of CA904422ApublicationCriticalpatent/CA904422A/en