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 Markku Juhani VanhalafiledCriticalMarkku Juhani Vanhala
Priority to FI822050ApriorityCriticalpatent/FI67779C/en
Publication of FI822050A0publicationCriticalpatent/FI822050A0/en
Publication of FI822050LpublicationCriticalpatent/FI822050L/en
Application grantedgrantedCritical
Publication of FI67779BpublicationCriticalpatent/FI67779B/en
Publication of FI67779CpublicationCriticalpatent/FI67779C/en