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 Aimo Johannes PuhakkafiledCriticalAimo Johannes Puhakka
Priority to FI903782ApriorityCriticalpatent/FI903782A/en
Publication of FI903782A0publicationCriticalpatent/FI903782A0/en
Priority to FI911198Aprioritypatent/FI85444C/en
Priority to CA002086005Aprioritypatent/CA2086005A1/en
Priority to PCT/FI1991/000228prioritypatent/WO1992002281A1/en
Priority to EP19910912953prioritypatent/EP0541590A1/en
Priority to AU81001/91Aprioritypatent/AU8100191A/en
Publication of FI903782ApublicationCriticalpatent/FI903782A/en