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发明名称
Pencil sharpener
摘要
申请公布号
US1916889(A)
申请公布日期
1933.07.04
申请号
US19320641429
申请日期
1932.11.05
申请人
MOULTON HERBERT A;MOULTON EVELYN L
发明人
MOULTON HERBERT A.;MOULTON EVELYN L.
分类号
B43L23/08
主分类号
B43L23/08
代理机构
代理人
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