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发明名称
Noise reducing receiving system
摘要
申请公布号
US2208953(A)
申请公布日期
1940.07.23
申请号
US19390284087
申请日期
1939.07.12
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
JR. EDWARD HENRY WEBER,
分类号
H03G11/04
主分类号
H03G11/04
代理机构
代理人
主权项
地址
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