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
CA907475A
Inventor
Reenpaa Olli
Braschoss Jurgen
H. Schaller Karl
Eder Werner
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.)
DR FRANZ BURDA KG Firma
KUSTANNUSOSAKEYHTIO OTAVA Firma
Original Assignee
DR FRANZ BURDA KG Firma
KUSTANNUSOSAKEYHTIO OTAVA Firma
Publication date
Application grantedgrantedCritical
Publication of CA907475ApublicationCriticalpatent/CA907475A/en