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 JP1928887UpriorityCriticalpatent/JPH0642845Y2/ja
Priority to US07/140,561prioritypatent/US4899657A/en
Publication of JPS63125537UpublicationCriticalpatent/JPS63125537U/ja
Application grantedgrantedCritical
Publication of JPH0642845Y2publicationCriticalpatent/JPH0642845Y2/ja