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发明名称
Photo-electric lighting control unit
摘要
申请公布号
GB733600(A)
申请公布日期
1955.07.13
申请号
GB19530029244
申请日期
1953.10.22
申请人
THE FISHER-PIERCE CO.
发明人
分类号
F21V23/04
主分类号
F21V23/04
代理机构
代理人
主权项
地址
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