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发明名称
Procédé et dispositif pour accroître la luminosité des pièces sombres
摘要
申请公布号
FR1158927(A)
申请公布日期
1958.06.20
申请号
FRD1158927
申请日期
1956.10.01
申请人
发明人
BENOIT ROGER-MICHEL
分类号
F21S11/00
主分类号
F21S11/00
代理机构
代理人
主权项
地址
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