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经营范围
发明名称
Dispositif optique réflecteur
摘要
申请公布号
FR723950(A)
申请公布日期
1932.04.18
申请号
FRD723950
申请日期
1931.10.08
申请人
发明人
STURTZ EDMOND
分类号
G02B5/12
主分类号
G02B5/12
代理机构
代理人
主权项
地址
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