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发明名称
Improvements in and relating to pencil sharpeners
摘要
申请公布号
GB359555(A)
申请公布日期
1931.10.26
申请号
GB19300022458
申请日期
1930.07.25
申请人
JOSEF HIRSCH
发明人
分类号
B43L23/08
主分类号
B43L23/08
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代理人
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