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经营范围
发明名称
Stéréoscope
摘要
申请公布号
FR872784(A)
申请公布日期
1942.06.18
申请号
FRD872784
申请日期
1941.05.30
申请人
CARL BRAUN K. G.
发明人
分类号
G02B27/22
主分类号
G02B27/22
代理机构
代理人
主权项
地址
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