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发明名称
COVER FOR A MANHOLE COVERING AND CORRESPONDING MANHOLE COVERING
摘要
申请公布号
HK1082780(A1)
申请公布日期
2009.11.20
申请号
HK20060101748
申请日期
2006.02.09
申请人
HYDROTEC TECHNOLOGIES GMBH & CO.KG
发明人
NEUBER, WILLFRIED
分类号
E02D;E02D29/14
主分类号
E02D
代理机构
代理人
主权项
地址
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