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发明名称
Improvements in colour changing electric lighting systems
摘要
申请公布号
GB492327(A)
申请公布日期
1938.09.19
申请号
GB19370008694
申请日期
1937.03.24
申请人
MICKELWRIGHT, LIMITED;BASIL HERBERT HEATH
发明人
分类号
H05B39/04
主分类号
H05B39/04
代理机构
代理人
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地址
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