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发明名称
摘要
申请公布号
JPS5612663(B2)
申请公布日期
1981.03.24
申请号
JP19780011906
申请日期
1978.02.07
申请人
发明人
分类号
E02D3/115;E02D19/14;E21D1/14
主分类号
E02D3/115
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代理人
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地址
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