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Application filed by 김근희filedCritical김근희
Priority to KR2019790006314UpriorityCriticalpatent/KR810000588Y1/ko
Application grantedgrantedCritical
Publication of KR810000588Y1publicationCriticalpatent/KR810000588Y1/ko
Publication of KR830000354UpublicationCriticalpatent/KR830000354U/ko