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发明名称
Suspending device for electric lamps
摘要
申请公布号
GB500523(A)
申请公布日期
1939.02.10
申请号
GB19380017833
申请日期
1938.06.15
申请人
THEODOR DISTLER
发明人
分类号
F21V21/02
主分类号
F21V21/02
代理机构
代理人
主权项
地址
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