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 JP9286982UpriorityCriticalpatent/JPS58193130U/ja
Priority to US06/438,188prioritypatent/US4570769A/en
Priority to KR2019830000249Uprioritypatent/KR880003183Y1/ko
Publication of JPS58193130UpublicationCriticalpatent/JPS58193130U/ja
Application grantedgrantedCritical
Publication of JPS6210494Y2publicationCriticalpatent/JPS6210494Y2/ja