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发明名称
摘要
申请公布号
JPS5045925(U)
申请公布日期
1975.05.08
申请号
JP19730099618U
申请日期
1973.08.25
申请人
发明人
分类号
E01C9/08;E01C5/16;E01C5/22;(IPC1-7):E01C5/22
主分类号
E01C9/08
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代理人
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