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发明名称
摘要
申请公布号
JPS5531250(B2)
申请公布日期
1980.08.16
申请号
JP19790049554
申请日期
1979.04.21
申请人
发明人
分类号
E02D3/08;E02D3/10
主分类号
E02D3/08
代理机构
代理人
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地址
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