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
CA768532A
Inventor
Fransson Karl-Erik
Larsson Anders
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.)
Co C H LARSSON
Original Assignee
Co C H LARSSON
Publication date
Application grantedgrantedCritical
Publication of CA768532ApublicationCriticalpatent/CA768532A/en