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Priority to JP1989047969UpriorityCriticalpatent/JP2529374Y2/ja
Publication of JPH02139150UpublicationCriticalpatent/JPH02139150U/ja
Priority to US07/655,187prioritypatent/US5085006A/en
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Publication of JP2529374Y2publicationCriticalpatent/JP2529374Y2/ja
