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发明名称
LONG-LIFE WRITING BRUSH
摘要
申请公布号
KR780000878(Y1)
申请公布日期
1978.08.31
申请号
KR19770004411U
申请日期
1977.07.14
申请人
MIN HWAK SIK
发明人
MIN HWAK SIK
分类号
主分类号
代理机构
代理人
主权项
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