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发明名称
Improvements in inspection lamps
摘要
申请公布号
GB528908(A)
申请公布日期
1940.11.11
申请号
GB19390013155
申请日期
1939.05.02
申请人
MARCEL COURTIN
发明人
分类号
F21V21/084;F21V21/088
主分类号
F21V21/084
代理机构
代理人
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地址
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