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.)
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Publication date
Application filedfiledCritical
Priority to JP853789UpriorityCriticalpatent/JPH073024Y2/ja
Priority to US07/470,985prioritypatent/US4974702A/en
Priority to DE4002221Aprioritypatent/DE4002221C2/de
Publication of JPH02101080UpublicationCriticalpatent/JPH02101080U/ja
Application grantedgrantedCritical
Publication of JPH073024Y2publicationCriticalpatent/JPH073024Y2/ja
