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发明名称
Duplicating machine
摘要
申请公布号
US2387739(A)
申请公布日期
1945.10.30
申请号
US19420469337
申请日期
1942.12.17
申请人
L. C. SMITH & CORONA TYPEWRITERS, INC.
发明人
BRADT CHARLES H.
分类号
B41L11/00
主分类号
B41L11/00
代理机构
代理人
主权项
地址
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