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 Johan SohlbergfiledCriticalJohan Sohlberg
Priority to NO770193ApriorityCriticalpatent/NO139986C/no
Publication of NO770193LpublicationCriticalpatent/NO770193L/no
Publication of NO139986BpublicationCriticalpatent/NO139986B/no
Publication of NO139986CpublicationCriticalpatent/NO139986C/no