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
CA804901A
Inventor
Johansson Bjorn-Olow
A. Donell Rolf
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
Bjorn-Olow Johansson
Rolf A Donell
Alfa Laval AB
Publication date
Application grantedgrantedCritical
Publication of CA804901ApublicationCriticalpatent/CA804901A/en