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发明名称
Photo copying machine
摘要
申请公布号
US2234717(A)
申请公布日期
1941.03.11
申请号
US19390263424
申请日期
1939.03.22
申请人
EASTMAN KODAK COMPANY
发明人
ALTMAN FRED E.;TOMPKINS FREDERICK A.
分类号
G03B27/50
主分类号
G03B27/50
代理机构
代理人
主权项
地址
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