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 JP1974011440UpriorityCriticalpatent/JPS544984Y2/ja
Priority to US484204Aprioritypatent/US3927941A/en
Publication of JPS50102335UpublicationCriticalpatent/JPS50102335U/ja
Application grantedgrantedCritical
Publication of JPS544984Y2publicationCriticalpatent/JPS544984Y2/ja