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经营范围
发明名称
Einrichtung zur Herstellung von Projektionsschirmen
摘要
申请公布号
DE727118(C)
申请公布日期
1942.10.26
申请号
DE1936T055060D
申请日期
1936.03.11
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
G03B21/60
主分类号
G03B21/60
代理机构
代理人
主权项
地址
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