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 JP432972ApriorityCriticalpatent/JPS542024B2/ja
Priority to DE2300273Aprioritypatent/DE2300273C3/de
Priority to GB86573Aprioritypatent/GB1372511A/en
Priority to FR7300423Aprioritypatent/FR2167782B1/fr
Publication of JPS4873375ApublicationCriticalpatent/JPS4873375A/ja
Priority to US49658474prioritypatent/US3924139A/en
Publication of JPS542024B2publicationCriticalpatent/JPS542024B2/ja