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 Giovanni Battista Tomm VignanofiledCriticalGiovanni Battista Tomm Vignano
Priority to NO763560ApriorityCriticalpatent/NO145268C/en
Publication of NO763560LpublicationCriticalpatent/NO763560L/en
Publication of NO145268BpublicationCriticalpatent/NO145268B/en
Publication of NO145268CpublicationCriticalpatent/NO145268C/en