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
CA804970A
Inventor
L. Berglind Karl
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.)
Alfa Laval AB
Original Assignee
Karl L Berglind
Alfa Laval AB
Publication date
Application grantedgrantedCritical
Publication of CA804970ApublicationCriticalpatent/CA804970A/en