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 JP1976044915UpriorityCriticalpatent/JPS5312885Y2/ja
Priority to US05/772,132prioritypatent/US4087099A/en
Priority to DE2708670Aprioritypatent/DE2708670C3/de
Publication of JPS52135709UpublicationCriticalpatent/JPS52135709U/ja
Application grantedgrantedCritical
Publication of JPS5312885Y2publicationCriticalpatent/JPS5312885Y2/ja
