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发明名称
LID FOR MANHOLE OR LIKE AT SAME LEVEL AS SURFACE OF ROAD
摘要
申请公布号
JPS5523246(A)
申请公布日期
1980.02.19
申请号
JP19780095643
申请日期
1978.08.04
申请人
TOI SETSUO
发明人
TOI SETSUO
分类号
E03F5/02;E03F5/04;E03F5/10
主分类号
E03F5/02
代理机构
代理人
主权项
地址
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