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发明名称
Elektrische Verstärkereinrichtung.
摘要
申请公布号
CH207806(A)
申请公布日期
1939.11.30
申请号
CHD207806
申请日期
1938.03.15
申请人
THOMAS A. EDISON, INCORPORATED
发明人
INCORPORATED THOMAS A. EDISON,
分类号
H03F1/36
主分类号
H03F1/36
代理机构
代理人
主权项
地址
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