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 JP4614387UpriorityCriticalpatent/JPH0720293Y2/ja
Priority to DE19883807987prioritypatent/DE3807987A1/de
Priority to US07/166,423prioritypatent/US4917424A/en
Publication of JPS63152875UpublicationCriticalpatent/JPS63152875U/ja
Application grantedgrantedCritical
Publication of JPH0720293Y2publicationCriticalpatent/JPH0720293Y2/ja
