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Priority to JP18914683UpriorityCriticalpatent/JPS6096068U/ja
Priority to IT8421326Aprioritypatent/IT1206454B/it
Priority to KR1019840004793Aprioritypatent/KR900006514B1/ko
Publication of JPS6096068UpublicationCriticalpatent/JPS6096068U/ja
Application grantedgrantedCritical
Publication of JPS646304Y2publicationCriticalpatent/JPS646304Y2/ja