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 JP8974087UpriorityCriticalpatent/JPH041857Y2/ja
Priority to US07/167,730prioritypatent/US4886955A/en
Priority to EP88302582Aprioritypatent/EP0294920B1/en
Priority to DE8888302582Tprioritypatent/DE3865367D1/de
Publication of JPS63199723UpublicationCriticalpatent/JPS63199723U/ja
Application grantedgrantedCritical
Publication of JPH041857Y2publicationCriticalpatent/JPH041857Y2/ja