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 Aarne PiltofiledCriticalAarne Pilto
Priority to FI20070525ApriorityCriticalpatent/FI20070525A0/fi
Publication of FI20070525A0publicationCriticalpatent/FI20070525A0/fi