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 Nils MalmgrenfiledCriticalNils Malmgren
Priority to SE7403584ApriorityCriticalpatent/SE397804B/xx
Priority to NO750872Aprioritypatent/NO142832C/no
Priority to FI750771Aprioritypatent/FI750771A7/fi
Priority to DK106675Aprioritypatent/DK106675A/da
Publication of SE7403584LpublicationCriticalpatent/SE7403584L/xx
Publication of SE397804BpublicationCriticalpatent/SE397804B/xx