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 Frigopan A SfiledCriticalFrigopan A S
Priority to NO801249ApriorityCriticalpatent/NO147937C/en
Publication of NO801249LpublicationCriticalpatent/NO801249L/en
Publication of NO147937BpublicationCriticalpatent/NO147937B/en
Publication of NO147937CpublicationCriticalpatent/NO147937C/en