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发明名称
BALL PEN
摘要
申请公布号
KR780000325(Y1)
申请公布日期
1978.04.07
申请号
KR19770001559U
申请日期
1977.03.04
申请人
JUN YOUNG SIK
发明人
JUN YOUNG SIK
分类号
主分类号
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代理人
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地址
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