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经营范围
发明名称
Pencil sharpener
摘要
申请公布号
GB479528(A)
申请公布日期
1938.02.08
申请号
GB19360022078
申请日期
1936.08.11
申请人
EMIL EKBOM;GUSTAF KAFVING
发明人
分类号
B43L23/08
主分类号
B43L23/08
代理机构
代理人
主权项
地址
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