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发明名称
摘要
申请公布号
JPS60100407(U)
申请公布日期
1985.07.09
申请号
JP19830192046U
申请日期
1983.12.12
申请人
发明人
分类号
E01C19/12;E01C19/20;(IPC1-7):E01C19/20
主分类号
E01C19/12
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代理人
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