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经营范围
发明名称
Dispositif générateur d'oscillations à relaxations
摘要
申请公布号
FR810501(A)
申请公布日期
1937.03.23
申请号
FRD810501
申请日期
1936.09.08
申请人
RADIOAKTIENGESELLSCHAFT D. S. LOEWE
发明人
分类号
H04N3/237
主分类号
H04N3/237
代理机构
代理人
主权项
地址
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