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
CA757377A
Inventor
Wassmann Edgar
Koelichen Harald
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.)
Filler and Fiebig GmbH
Original Assignee
Filler and Fiebig GmbH
Publication date
Application grantedgrantedCritical
Publication of CA757377ApublicationCriticalpatent/CA757377A/en