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发明名称
摘要
申请公布号
JPS54163024(U)
申请公布日期
1979.11.15
申请号
JP19780060867U
申请日期
1978.05.05
申请人
发明人
分类号
E01H5/10;(IPC1-7):E01H5/10
主分类号
E01H5/10
代理机构
代理人
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地址
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