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Priority to JP14965189UpriorityCriticalpatent/JPH0714151Y2/ja
Priority to US07/540,646prioritypatent/US5169348A/en
Publication of JPH0386894UpublicationCriticalpatent/JPH0386894U/ja
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Publication of JPH0714151Y2publicationCriticalpatent/JPH0714151Y2/ja