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发明名称
Blade sharpener
摘要
申请公布号
US2154744(A)
申请公布日期
1939.04.18
申请号
US19350047292
申请日期
1935.10.29
申请人
GRANT HAMMOND
发明人
HAMMOND GRANT
分类号
B24D15/06
主分类号
B24D15/06
代理机构
代理人
主权项
地址
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