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发明名称
Image-forming system
摘要
申请公布号
US2066435(A)
申请公布日期
1937.01.05
申请号
US19300435155
申请日期
1930.03.12
申请人
TRANS-LUX DAYLIGHT PICTURE SCREEN CORPORATION
发明人
UNKLES EDWARD H.
分类号
G03B21/134
主分类号
G03B21/134
代理机构
代理人
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地址
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