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Priority to JP1988083682UpriorityCriticalpatent/JP2516469Y2/ja
Priority to US07/367,027prioritypatent/US5076383A/en
Publication of JPH027088UpublicationCriticalpatent/JPH027088U/ja
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Publication of JP2516469Y2publicationCriticalpatent/JP2516469Y2/ja
