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发明名称
Lawn mower sharpener
摘要
申请公布号
US2410566(A)
申请公布日期
1946.11.05
申请号
US19450600666
申请日期
1945.06.21
申请人
BURROWS ROSCOE T
发明人
BURROWS ROSCOE T.
分类号
B24B3/42
主分类号
B24B3/42
代理机构
代理人
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