Legal status (The legal status 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 status listed.)
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 filedfiledCritical
Priority to JP40026053ApriorityCriticalpatent/JPS494571B1/ja
Priority to GB1850766Aprioritypatent/GB1140694A/en
Priority to NL6605803Aprioritypatent/NL6605803A/xx
Priority to FR59683Aprioritypatent/FR1478071A/fr
Publication of JPS494571B1publicationCriticalpatent/JPS494571B1/ja