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Application filed by 주식회사 금성사filedCritical주식회사 금성사
Priority to KR2019850003393UpriorityCriticalpatent/KR880000909Y1/en
Publication of KR860012504UpublicationCriticalpatent/KR860012504U/en
Application grantedgrantedCritical
Publication of KR880000909Y1publicationCriticalpatent/KR880000909Y1/en