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发明名称
Grating
摘要
This invention relates to a grating consisting of parallel bearing bars connected by cross bars running perpendicular to the bearing bars, and of a frame, the grating having higher bearing bars in some areas than in the other areas.
申请公布号
US2008163580(A1)
申请公布日期
2008.07.10
申请号
US20060885009
申请日期
2006.02.23
申请人
MEISER WOLFGANG
发明人
MEISER WOLFGANG
分类号
E04C2/42
主分类号
E04C2/42
代理机构
代理人
主权项
地址
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