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 Jorma Johan Antero LamminenfiledCriticalJorma Johan Antero Lamminen
Priority to FI884371ApriorityCriticalpatent/FI884371A/fi
Publication of FI884371A0publicationCriticalpatent/FI884371A0/fi
Publication of FI884371ApublicationCriticalpatent/FI884371A/fi