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 Henri KaquetfiledCriticalHenri Kaquet
Priority to BE587703ApriorityCriticalpatent/BE587703A/fr
Publication of BE587703ApublicationCriticalpatent/BE587703A/fr