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 Seppo Kalervo SuominenfiledCriticalSeppo Kalervo Suominen
Priority to FI864788ApriorityCriticalpatent/FI864788A0/fi
Publication of FI864788A0publicationCriticalpatent/FI864788A0/fi
Priority to FI874631Aprioritypatent/FI874631A/fi
Priority to US07/358,372prioritypatent/US4972778A/en
Priority to DE19873790747prioritypatent/DE3790747T1/de
Priority to AU83249/87Aprioritypatent/AU8324987A/en
Priority to PCT/FI1987/000157prioritypatent/WO1988003904A1/en