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发明名称
MESSER SHIELD FOR USING ON EXCAVATION IN THE EARTH
摘要
申请公布号
KR970004231(Y1)
申请公布日期
1997.05.07
申请号
KR19940010369U
申请日期
1994.05.11
申请人
KANG-NEUNG CONST.CO.
发明人
SONG, JAE-INN
分类号
E21D9/06;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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