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发明名称
Eraser mounting
摘要
申请公布号
US2265116(A)
申请公布日期
1941.12.02
申请号
US19410401639
申请日期
1941.07.09
申请人
OWEN JAMES P
发明人
OWEN JAMES P.
分类号
B43K29/02
主分类号
B43K29/02
代理机构
代理人
主权项
地址
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