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经营范围
发明名称
Cover useful esp. for service-inspection chamber in road surface
摘要
The cover comprises a welded panel set in a surround (6), made from sheet metal (2) with a raised outer rim forming a recess filled with a resin compound.
申请公布号
FR2721636(A1)
申请公布日期
1995.12.29
申请号
FR19940007878
申请日期
1994.06.27
申请人
FRAMETO SA
发明人
GELAMUR VINCENT
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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