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Priority to JP8522790UpriorityCriticalpatent/JP2519238Y2/ja
Priority to PCT/JP1991/001070prioritypatent/WO1992002372A1/ja
Publication of JPH0445084UpublicationCriticalpatent/JPH0445084U/ja
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Publication of JP2519238Y2publicationCriticalpatent/JP2519238Y2/ja