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发明名称
Enveloppe amovible et interchangeable pour lampes électriques à incandescence
摘要
申请公布号
FR710214(A)
申请公布日期
1931.08.20
申请号
FRD710214
申请日期
1930.12.02
申请人
发明人
BURGER PHILIPP
分类号
F21V17/04
主分类号
F21V17/04
代理机构
代理人
主权项
地址
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