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发明名称
Amplifier system
摘要
申请公布号
US1853184(A)
申请公布日期
1932.04.12
申请号
US19280300242
申请日期
1928.08.17
申请人
RADIO CORPORATION
发明人
WHITE SIDNEY Y.
分类号
H03F3/02
主分类号
H03F3/02
代理机构
代理人
主权项
地址
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