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 Protan AsfiledCriticalProtan As
Priority to FI873670ApriorityCriticalpatent/FI84744C/fi
Publication of FI873670A0publicationCriticalpatent/FI873670A0/fi
Publication of FI873670ApublicationCriticalpatent/FI873670A/fi
Publication of FI84744BpublicationCriticalpatent/FI84744B/fi
Application grantedgrantedCritical
Publication of FI84744CpublicationCriticalpatent/FI84744C/fi