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发明名称
PENCIL ERASER HOLDER
摘要
申请公布号
CA398974(A)
申请公布日期
1941.09.02
申请号
CAD398974
申请日期
申请人
ANTHONY SCHARF
发明人
ANTHONY SCHARF
分类号
主分类号
代理机构
代理人
主权项
地址
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