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 JP3920574UpriorityCriticalpatent/JPS517359Y2/ja
Publication of JPS50128398UpublicationCriticalpatent/JPS50128398U/ja
Application grantedgrantedCritical
Publication of JPS517359Y2publicationCriticalpatent/JPS517359Y2/ja