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 Smalterie Metallurg Emiliane GfiledCriticalSmalterie Metallurg Emiliane G
Priority to BE615899ApriorityCriticalpatent/BE615899R/fr
Application grantedgrantedCritical
Publication of BE615899RpublicationCriticalpatent/BE615899R/fr