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Priority to JP11795178UpriorityCriticalpatent/JPS6128183Y2/ja
Priority to DE19797924319prioritypatent/DE7924319U1/de
Publication of JPS5535525UpublicationCriticalpatent/JPS5535525U/ja
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Publication of JPS6128183Y2publicationCriticalpatent/JPS6128183Y2/ja