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 JP1987174994UpriorityCriticalpatent/JPH0178918U/ja
Priority to US07/168,398prioritypatent/US4878453A/en
Priority to DE3808826Aprioritypatent/DE3808826C2/de
Publication of JPH0178918UpublicationCriticalpatent/JPH0178918U/ja
