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 Emilius Cornelius Anto Kampers, Karel Albert Melania KampersfiledCriticalEmilius Cornelius Anto Kampers
Priority to BE600208ApriorityCriticalpatent/BE600208A/nl
Publication of BE600208ApublicationCriticalpatent/BE600208A/nl