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发明名称
DRAINAGE BLOCK
摘要
申请公布号
KR840002295(Y1)
申请公布日期
1984.11.08
申请号
KR19820001255U
申请日期
1982.12.21
申请人
MA, HAN
发明人
MA, HAN
分类号
E21D11/38;E21F16/00;E21F16/02
主分类号
E21D11/38
代理机构
代理人
主权项
地址
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