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
CA839562A
Inventor
Lindquist Arne
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.)
Helios Kemisk Tekniska Fabriker AB
Original Assignee
Helios Kemisk Tekniska Fabriker AB
Publication date
Application grantedgrantedCritical
Publication of CA839562ApublicationCriticalpatent/CA839562A/en