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经营范围
发明名称
Tube à décharges
摘要
申请公布号
FR48965(E)
申请公布日期
1938.10.05
申请号
FRD48965
申请日期
1937.11.02
申请人
RADIOAKTIENGESELLSCHAFT D.S. LOEWE
发明人
分类号
H01J43/22
主分类号
H01J43/22
代理机构
代理人
主权项
地址
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