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经营范围
发明名称
LAWN MOWER SHARPENER
摘要
申请公布号
CA617060(A)
申请公布日期
1961.03.28
申请号
CAD617060
申请日期
申请人
JOHN H. MCDONALD
发明人
JOHN H. MCDONALD
分类号
主分类号
代理机构
代理人
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