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发明名称
Low-frequency amplifier
摘要
申请公布号
US2226746(A)
申请公布日期
1940.12.31
申请号
US19360084437
申请日期
1936.06.10
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
SCHULZE-HERRINGEN ERICH
分类号
H03C1/62;H03F1/04;H03F3/22;H03F3/28
主分类号
H03C1/62
代理机构
代理人
主权项
地址
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