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经营范围
发明名称
A braun tube for oscillographic and television purposes
摘要
申请公布号
GB419727(A)
申请公布日期
1934.11.19
申请号
GB19330011264
申请日期
1933.04.18
申请人
RADIOAKTIENGESELLSCHAFT D. S. LOEWE;KURT SCHLESINGER
发明人
分类号
H01J29/48
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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