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 JP15146584UpriorityCriticalpatent/JPS6167672U/ja
Priority to US06/678,438prioritypatent/US4642892A/en
Priority to DE19843444735prioritypatent/DE3444735A1/de
Publication of JPS6167672UpublicationCriticalpatent/JPS6167672U/ja