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Priority to JP1665083UpriorityCriticalpatent/JPS59122990U/ja
Priority to KR8400989Uprioritypatent/KR880002476Y1/ko
Publication of JPS59122990UpublicationCriticalpatent/JPS59122990U/ja
Application grantedgrantedCritical
Publication of JPS6225431Y2publicationCriticalpatent/JPS6225431Y2/ja