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发明名称
摘要
申请公布号
JPS5646644(U)
申请公布日期
1981.04.25
申请号
JP19800114092U
申请日期
1980.08.11
申请人
发明人
分类号
E02D5/72;(IPC1-7):E02D5/72
主分类号
E02D5/72
代理机构
代理人
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地址
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