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 JP1976099917UpriorityCriticalpatent/JPS5614496Y2/ja
Priority to US05/768,732prioritypatent/US4170410A/en
Priority to DE19772708153prioritypatent/DE2708153A1/de
Publication of JPS5318134UpublicationCriticalpatent/JPS5318134U/ja
Application grantedgrantedCritical
Publication of JPS5614496Y2publicationCriticalpatent/JPS5614496Y2/ja
