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
Application filed by Oravisten Tehtaat KyfiledCriticalOravisten Tehtaat Ky
Priority to FI850542ApriorityCriticalpatent/FI70977C/fi
Publication of FI850542A0publicationCriticalpatent/FI850542A0/fi
Application grantedgrantedCritical
Publication of FI70977BpublicationCriticalpatent/FI70977B/fi
Publication of FI850542ApublicationCriticalpatent/FI850542A/fi
Publication of FI70977CpublicationCriticalpatent/FI70977C/fi