Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19681556331external-prioritypatent/DE1556331B2/de
Application filed by Orenstein & Koppel AgfiledCriticalOrenstein & Koppel Ag
Publication of FI50089BpublicationCriticalpatent/FI50089B/fi
Application grantedgrantedCritical
Publication of FI50089CpublicationCriticalpatent/FI50089C/fi