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发明名称
INK FLOWING BACKWARD PREVENTIVE EQUIPMENT OF BALL POINT PEN
摘要
申请公布号
KR200172484(Y1)
申请公布日期
2000.03.15
申请号
KR19990021285U
申请日期
1999.10.05
申请人
PARK, YOUNG-SAENG
发明人
PARK, YOUNG-SAENG
分类号
B43K7/08;(IPC1-7):B43K7/08
主分类号
B43K7/08
代理机构
代理人
主权项
地址
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