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经营范围
发明名称
BLOCK PARTICULARLY FOR BUILDING LOOSE-LAID RETAINING WALLS
摘要
申请公布号
US5214898(A)
申请公布日期
1993.06.01
申请号
US19910740245
申请日期
1991.08.05
申请人
RDB PLASTOTECNICA S.P.A.
发明人
BERETTA, MARIO
分类号
E02D29/02
主分类号
E02D29/02
代理机构
代理人
主权项
地址
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