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 JP15981187UpriorityCriticalpatent/JPH0634162Y2/ja
Priority to US07/259,193prioritypatent/US4883287A/en
Priority to EP88117352Aprioritypatent/EP0312997B1/en
Priority to DE88117352Tprioritypatent/DE3886340T2/de
Publication of JPH0163505UpublicationCriticalpatent/JPH0163505U/ja
Application grantedgrantedCritical
Publication of JPH0634162Y2publicationCriticalpatent/JPH0634162Y2/ja