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 Victor Leon Van Coillie, Rene Camille Van Coillie, Jan Antoon Van CoilliefiledCriticalVictor Leon Van Coillie
Priority to BE583817ApriorityCriticalpatent/BE583817A/nl
Publication of BE583817ApublicationCriticalpatent/BE583817A/nl