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Priority to JP1988049580UpriorityCriticalpatent/JPH039715Y2/ja
Priority to KR2019880005727Uprioritypatent/KR920005301Y1/ko
Publication of JPH01152628UpublicationCriticalpatent/JPH01152628U/ja
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Publication of JPH039715Y2publicationCriticalpatent/JPH039715Y2/ja