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发明名称
摘要
申请公布号
JPS6442338(U)
申请公布日期
1989.03.14
申请号
JP19880052110U
申请日期
1988.04.20
申请人
发明人
分类号
E02D3/046;(IPC1-7):E02D3/046
主分类号
E02D3/046
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代理人
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地址
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