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发明名称
摘要
申请公布号
JPS5796296(U)
申请公布日期
1982.06.14
申请号
JP19800172655U
申请日期
1980.12.03
申请人
发明人
分类号
E02B9/06;E01C11/02;E02D29/073;E02F5/10;E21D11/04;E21D11/38;F16L1/038;(IPC1-7):E21D10/08;E02D29/10
主分类号
E02B9/06
代理机构
代理人
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