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经营范围
发明名称
Elektrischer Widerstand.
摘要
申请公布号
CH181905(A)
申请公布日期
1936.01.15
申请号
CHD181905
申请日期
1935.01.25
申请人
RADIO CORPORATION OF AMERICA
发明人
AMERICA RADIO CORPORATION OF
分类号
主分类号
代理机构
代理人
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