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 Ants Hein, Urve HeinfiledCriticalAnts Hein
Priority to FI896071ApriorityCriticalpatent/FI896071A/en
Publication of FI896071A0publicationCriticalpatent/FI896071A0/en
Publication of FI896071ApublicationCriticalpatent/FI896071A/en