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 JP10867976UpriorityCriticalpatent/JPS5326580U/ja
Priority to DE19772736085prioritypatent/DE2736085A1/de
Priority to US05/824,314prioritypatent/US4137997A/en
Publication of JPS5326580UpublicationCriticalpatent/JPS5326580U/ja