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经营范围
发明名称
A MANHOLE
摘要
申请公布号
KR200161948(Y1)
申请公布日期
1999.12.01
申请号
KR19970028181U
申请日期
1997.10.10
申请人
KWON, HYUK-JOONG
发明人
KWON, HYUK-JOONG
分类号
E03F5/10;(IPC1-7):E03F5/10
主分类号
E03F5/10
代理机构
代理人
主权项
地址
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