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经营范围
发明名称
Photographische Kamera
摘要
申请公布号
DE639978(C)
申请公布日期
1937.03.05
申请号
DE1936K141688D
申请日期
1936.04.01
申请人
MARIA KADEN GEB. SCHUERMANN
发明人
分类号
G03B9/70
主分类号
G03B9/70
代理机构
代理人
主权项
地址
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