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经营范围
发明名称
Entladungsröhre.
摘要
申请公布号
CH175464(A)
申请公布日期
1935.02.28
申请号
CHD175464
申请日期
1933.12.04
申请人
TRENZEN,CARL,DR.
发明人
TRENZEN,CARL,DR.
分类号
H01J61/14;H01J61/18
主分类号
H01J61/14
代理机构
代理人
主权项
地址
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