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发明名称
SHARPENING DEVICE FOR LAWN MOWERS
摘要
申请公布号
CA322420(A)
申请公布日期
1932.05.17
申请号
CAD322420
申请日期
申请人
DANIEL BRADLEY O'CONNELL
发明人
DANIEL BRADLEY O'CONNELL
分类号
主分类号
代理机构
代理人
主权项
地址
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