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发明名称
Continuous film loop holder for repeating projectors
摘要
申请公布号
US2808259(A)
申请公布日期
1957.10.01
申请号
US19530360727
申请日期
1953.06.10
申请人
EASTMAN KODAK COMPANY
发明人
WENGEL RAYMOND W.
分类号
G03B21/32
主分类号
G03B21/32
代理机构
代理人
主权项
地址
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