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 Lerho-AdamfiledCriticalHenri Lerho-Adam
Priority to BE589233ApriorityCriticalpatent/BE589233A/en
Publication of BE589233ApublicationCriticalpatent/BE589233A/en