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 JP1974052415UpriorityCriticalpatent/JPS541169Y2/ja
Publication of JPS50141440UpublicationCriticalpatent/JPS50141440U/ja
Application grantedgrantedCritical
Publication of JPS541169Y2publicationCriticalpatent/JPS541169Y2/ja