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发明名称
Pencil sharpener
摘要
申请公布号
US2266269(A)
申请公布日期
1941.12.16
申请号
US19380236339
申请日期
1938.10.21
申请人
ROMEISER ERNEST G
发明人
ROMEISER ERNEST G.
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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