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发明名称
COVERING FOR A SEWER MANHOLE
摘要
申请公布号
HU9901743(A3)
申请公布日期
1999.11.29
申请号
HU19990001743
申请日期
1997.03.18
申请人
FLEISCHHACKER, GERHARD, TREIBACH
发明人
分类号
E02D29/14;E03F5/06;E03F5/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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