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发明名称
Projection display apparatus
摘要
申请公布号
US2714199(A)
申请公布日期
1955.07.26
申请号
US19500146279
申请日期
1950.02.25
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
ADAMS PAUL R.;ALLISON JOHN L.
分类号
G01S1/02;G01S19/44;G08G5/00;G09F19/18
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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