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 JP11931174UpriorityCriticalpatent/JPS537709Y2/ja
Priority to US05/617,239prioritypatent/US3999055A/en
Publication of JPS5146328UpublicationCriticalpatent/JPS5146328U/ja
Application grantedgrantedCritical
Publication of JPS537709Y2publicationCriticalpatent/JPS537709Y2/ja