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 JP11345587UpriorityCriticalpatent/JPH057147Y2/ja
Priority to DE3814256Aprioritypatent/DE3814256C2/de
Priority to US07/296,851prioritypatent/US4863056A/en
Publication of JPS6417928UpublicationCriticalpatent/JPS6417928U/ja
Application grantedgrantedCritical
Publication of JPH057147Y2publicationCriticalpatent/JPH057147Y2/ja
