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发明名称
Procédé et dispositif électriques pour la production directe et quasipermanente d'une lumière portative et indépendante
摘要
申请公布号
FR823740(A)
申请公布日期
1938.01.25
申请号
FRD823740
申请日期
1936.10.08
申请人
发明人
TESTARD MARIE
分类号
F21L4/00;F21V13/00;F21Y101/00
主分类号
F21L4/00
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代理人
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地址
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