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发明名称
GRADING DEVICE
摘要
申请公布号
EP2054554(B1)
申请公布日期
2010.01.06
申请号
EP20070856261
申请日期
2007.11.24
申请人
HEITZLER, KARL
发明人
HEITZLER, KARL
分类号
E02F3/76
主分类号
E02F3/76
代理机构
代理人
主权项
地址
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