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发明名称
Vorrichtung zur farbwechselnden Erleuchtung von Transparenten
摘要
申请公布号
DE574610(C)
申请公布日期
1933.04.18
申请号
DE1931B151423D
申请日期
1931.08.06
申请人
PERCY BURRELL;JOHN ALLEN BOOTHROYD
发明人
分类号
G09F13/24
主分类号
G09F13/24
代理机构
代理人
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地址
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