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经营范围
发明名称
WALKER
摘要
申请公布号
CA85813(S)
申请公布日期
1999.02.12
申请号
CANDAT0085813F
申请日期
申请人
DOLOMITE SVENSKA AB
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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Control of water content of impermeable soils - involves drilling boreholes in foundation and filling them with free draining material
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