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发明名称
Pencil sharpener
摘要
申请公布号
US1858891(A)
申请公布日期
1932.05.17
申请号
US19300456979
申请日期
1930.05.29
申请人
SMITH HARRIS RUSSELL
发明人
HARRIS RUSSELL SMITH
分类号
B43L23/02
主分类号
B43L23/02
代理机构
代理人
主权项
地址
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