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经营范围
发明名称
Improvements in or relating to electric light fittings
摘要
申请公布号
GB420254(A)
申请公布日期
1934.11.28
申请号
GB19330028954
申请日期
1933.10.19
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;JOHN MALYON WALDRAM
发明人
分类号
G01N21/55
主分类号
G01N21/55
代理机构
代理人
主权项
地址
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