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发明名称
SHARPENING DEVICE
摘要
申请公布号
CA377065(A)
申请公布日期
1938.10.11
申请号
CAD377065
申请日期
申请人
THEODORE E. BROWN
发明人
THEODORE E. BROWN
分类号
主分类号
代理机构
代理人
主权项
地址
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