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发明名称
Procédé et dispositif permettant d'obtenir des images photographiques au moyen de rayons lumineux invisibles
摘要
申请公布号
FR722640(A)
申请公布日期
1932.03.22
申请号
FRD722640
申请日期
1931.08.28
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J31/50
主分类号
H01J31/50
代理机构
代理人
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地址
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