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发明名称
摘要
申请公布号
JPS52162006(U)
申请公布日期
1977.12.08
申请号
JP19760070333U
申请日期
1976.06.02
申请人
发明人
分类号
E02F3/815;E01C19/22;E01C19/23;E01H3/02;E02D3/026;E02F3/76;(IPC1-7):E01C19/23
主分类号
E02F3/815
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代理人
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