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Application filed by 주식회사금성사filedCritical주식회사금성사
Priority to KR2019850007725UpriorityCriticalpatent/KR880000655Y1/en
Publication of KR870001166UpublicationCriticalpatent/KR870001166U/en
Application grantedgrantedCritical
Publication of KR880000655Y1publicationCriticalpatent/KR880000655Y1/en