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发明名称
摘要
申请公布号
JPH02144043(U)
申请公布日期
1990.12.06
申请号
JP19890051758U
申请日期
1989.05.01
申请人
发明人
分类号
E02D27/08;E04C5/04;(IPC1-7):E02D27/08
主分类号
E02D27/08
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代理人
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