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发明名称
Pencil sharpener
摘要
申请公布号
US2394387(A)
申请公布日期
1946.02.05
申请号
US19440538129
申请日期
1944.05.31
申请人
ATWATER JACKSON JESSE
发明人
JACKSON JESSE ATWATER
分类号
B43L23/06
主分类号
B43L23/06
代理机构
代理人
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地址
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