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 Retermia Oy, Castren Risto InstmstofiledCriticalRetermia Oy
Priority to FI852641ApriorityCriticalpatent/FI75663C/en
Publication of FI852641A0publicationCriticalpatent/FI852641A0/en
Publication of FI852641LpublicationCriticalpatent/FI852641L/en
Application grantedgrantedCritical
Publication of FI75663BpublicationCriticalpatent/FI75663B/en
Publication of FI75663CpublicationCriticalpatent/FI75663C/en