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 JP11294875UpriorityCriticalpatent/JPS5226174U/ja
Priority to US05/714,399prioritypatent/US4092624A/en
Publication of JPS5226174UpublicationCriticalpatent/JPS5226174U/ja
Priority to DE19772719446prioritypatent/DE2719446A1/de
Priority to GB19669/77Aprioritypatent/GB1557131A/en