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Priority to JP6013289UpriorityCriticalpatent/JPH0631509Y2/ja
Priority to US07/526,821prioritypatent/US5079985A/en
Publication of JPH02149993UpublicationCriticalpatent/JPH02149993U/ja
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Publication of JPH0631509Y2publicationCriticalpatent/JPH0631509Y2/ja