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 Tapani SolafiledCriticalTapani Sola
Priority to FI161674ApriorityCriticalpatent/FI50920C/fi
Publication of FI161674ApublicationCriticalpatent/FI161674A/fi
Publication of FI50920BpublicationCriticalpatent/FI50920B/fi
Application grantedgrantedCritical
Publication of FI50920CpublicationCriticalpatent/FI50920C/fi