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Priority to JP1990073167UpriorityCriticalpatent/JP2532374Y2/ja
Priority to US07/611,411prioritypatent/US5135694A/en
Publication of JPH0432111UpublicationCriticalpatent/JPH0432111U/ja
Priority to US08/378,106prioritypatent/US5526006A/en
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Publication of JP2532374Y2publicationCriticalpatent/JP2532374Y2/ja