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发明名称
NATURAL GROUND CONSOLIDATION PROCESS
摘要
申请公布号
JPH02221592(A)
申请公布日期
1990.09.04
申请号
JP19890042533
申请日期
1989.02.22
申请人
TOKAI RUBBER IND LTD
发明人
YAMAMOTO YOSHIHISA
分类号
E02D3/12;E21D9/04
主分类号
E02D3/12
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代理人
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