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发明名称
Manhole cover
摘要
申请公布号
EP1132526(A3)
申请公布日期
2002.11.20
申请号
EP20010810212
申请日期
2001.03.02
申请人
VON ROLL HOLDING AG
发明人
GALVANETTO, FRANCOIS;SCHIEWE, WALTER
分类号
E02D29/14;(IPC1-7):E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
地址
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