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发明名称
INJECTOR TO WEAK GROUND
摘要
申请公布号
KR830001811(U)
申请公布日期
1983.09.17
申请号
KR19820001862U
申请日期
1982.03.11
申请人
DONG SEO ENGINEERING CO.,LTD.
发明人
KANG JANG SIN
分类号
E02D3/12;(IPC1-7):E02D3/12
主分类号
E02D3/12
代理机构
代理人
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