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 JP2426477UpriorityCriticalpatent/JPS53120194U/ja
Priority to US05/805,511prioritypatent/US4130963A/en
Priority to ES1977238807Uprioritypatent/ES238807Y/es
Priority to FR7721688Aprioritypatent/FR2358175A1/fr
Publication of JPS53120194UpublicationCriticalpatent/JPS53120194U/ja