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发明名称
Lawn mower sharpener
摘要
申请公布号
US2378179(A)
申请公布日期
1945.06.12
申请号
US19440538117
申请日期
1944.05.31
申请人
OAKLEY BROOKS
发明人
BROOKS OAKLEY
分类号
B24B3/42
主分类号
B24B3/42
代理机构
代理人
主权项
地址
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