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发明名称
Slide changing device for a projector
摘要
申请公布号
US2132716(A)
申请公布日期
1938.10.11
申请号
US19370132107
申请日期
1937.03.20
申请人
EASTMAN KODAK COMPANY
发明人
WITTEL OTTO
分类号
G03B23/14
主分类号
G03B23/14
代理机构
代理人
主权项
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