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经营范围
发明名称
écran réflecteur multiple anti-éblouissant à incidence variable
摘要
申请公布号
FR677657(A)
申请公布日期
1930.03.13
申请号
FRD677657
申请日期
1929.07.01
申请人
发明人
VERRIER ERNEST-JACQUES-JOSEP
分类号
F21V11/00
主分类号
F21V11/00
代理机构
代理人
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地址
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