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发明名称
PORTABLE DISC SHARPENER
摘要
申请公布号
CA461967(A)
申请公布日期
1949.12.27
申请号
CAD461967
申请日期
申请人
HAROLD M. GOODWIN
发明人
HAROLD M. GOODWIN
分类号
主分类号
代理机构
代理人
主权项
地址
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