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发明名称
摘要
申请公布号
JP3065903(U)
申请公布日期
2000.02.08
申请号
JP19990544099U
申请日期
1999.06.16
申请人
发明人
分类号
E01F13/00;E01F13/02;E01F13/04;G01B7/00;G01B21/00;G08G1/0955;(IPC1-7):G08G1/095
主分类号
E01F13/00
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代理人
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