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经营范围
发明名称
Lumineszenzschirm in Entladungsroehren, z.B. Braunschen Roehren
摘要
申请公布号
DE622302(C)
申请公布日期
1935.11.25
申请号
DE1931T039349D
申请日期
1931.08.21
申请人
TELEFUNKEN GESELLSCHAFT FUER DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
MICHELSSEN DR. FRITZ;SCHLEEDE DR. A.
分类号
C09K11/56
主分类号
C09K11/56
代理机构
代理人
主权项
地址
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