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 Crown Cork & Seal CofiledCriticalCrown Cork & Seal Co
Priority to BE619058ApriorityCriticalpatent/BE619058A/fr
Publication of BE619058ApublicationCriticalpatent/BE619058A/fr