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经营范围
发明名称
ELEKTRONENWEERGEEFINRICHTING.
摘要
申请公布号
NL7705958(A)
申请公布日期
1977.12.05
申请号
NL19770005958
申请日期
1977.05.31
申请人
RCA CORPORATION TE NEW YORK.
发明人
分类号
H01J31/26;H01J29/46;H01J31/12;(IPC1-7):H01J29/62;H01J29/74
主分类号
H01J31/26
代理机构
代理人
主权项
地址
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