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经营范围
发明名称
Kathode fuer Elektronenroehren
摘要
申请公布号
DE883935(C)
申请公布日期
1953.07.23
申请号
DE1938L005025D
申请日期
1938.12.03
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
HERRIGER FELIX DR.
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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