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发明名称
Illuminated panel-modifications of duo-panel system
摘要
申请公布号
US2810225(A)
申请公布日期
1957.10.22
申请号
US19560600358
申请日期
1956.07.26
申请人
HARDESTY GEORGE K C
发明人
HARDESTY GEORGE K. C.
分类号
F21V8/00;G09F13/18
主分类号
F21V8/00
代理机构
代理人
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地址
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