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
CA816562A
Inventor
Dulger Viktor
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.)
Chemie und Filter GmbH Verfahrenstechnik KG
Original Assignee
Chemie und Filter GmbH Verfahrenstechnik KG
Publication date
Application grantedgrantedCritical
Publication of CA816562ApublicationCriticalpatent/CA816562A/en