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经营范围
发明名称
Stéréoscope portatif, à auto-éclairement artificiel
摘要
申请公布号
FR686484(A)
申请公布日期
1930.07.26
申请号
FRD686484
申请日期
1929.12.12
申请人
发明人
MATTEY ALBERT-GEORGES
分类号
G02B27/02
主分类号
G02B27/02
代理机构
代理人
主权项
地址
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