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发明名称
MANHOLE COVER
摘要
申请公布号
EP2443289(A1)
申请公布日期
2012.04.25
申请号
EP20100737245
申请日期
2010.06.01
申请人
EHD EISENHAMMER DRESDEN GMBH&CO. KG
发明人
BALDAUF, HANSJOERG
分类号
E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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