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发明名称
Kaleidoscopic image projector with masking device
摘要
申请公布号
US2493238(A)
申请公布日期
1950.01.03
申请号
US19450619965
申请日期
1945.10.03
申请人
TELEVISION ASSOCIATES, INC.
发明人
EDDY WILLIAM C.
分类号
G09F19/18
主分类号
G09F19/18
代理机构
代理人
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地址
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