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 JP12563088UpriorityCriticalpatent/JPH0727752Y2/ja
Priority to US07/413,381prioritypatent/US5109422A/en
Priority to EP19890117860prioritypatent/EP0361445A3/en
Publication of JPH0247893UpublicationCriticalpatent/JPH0247893U/ja
Application grantedgrantedCritical
Publication of JPH0727752Y2publicationCriticalpatent/JPH0727752Y2/ja
