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发明名称
Optical rear projection outfit
摘要
申请公布号
GB648936(A)
申请公布日期
1951.01.17
申请号
GB19480015601
申请日期
1948.06.09
申请人
THE PERFORATED FRONT PROJECTION SCREEN COMPANY LIMITED;EDWARD GEORGE TURNER
发明人
分类号
G03B15/10
主分类号
G03B15/10
代理机构
代理人
主权项
地址
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