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发明名称
Traffic intersection
摘要
申请公布号
GB848739(A)
申请公布日期
1960.09.21
申请号
GB19580032926
申请日期
1958.10.15
申请人
ARTURO OLIVERO CEDENO
发明人
分类号
E01C1/04
主分类号
E01C1/04
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代理人
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