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经营范围
发明名称
Elektromechanisches Wellenfilter.
摘要
申请公布号
CH277467(A)
申请公布日期
1951.08.31
申请号
CHD277467
申请日期
1948.07.03
申请人
ZENITH RADIO CORPORATION
发明人
CORPORATION ZENITH RADIO
分类号
H03H9/135;H03H9/50
主分类号
H03H9/135
代理机构
代理人
主权项
地址
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