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 C M Hess Fabrikker AsfiledCriticalC M Hess Fabrikker As
Application grantedgrantedCritical
Publication of BE545191RpublicationCriticalpatent/BE545191R/en