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发明名称
Arrangement for selection and demodulation of electrical pulses
摘要
申请公布号
US2490039(A)
申请公布日期
1949.12.06
申请号
US19450573102
申请日期
1945.01.16
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
EARP CHARLES WILLIAM
分类号
H04J3/00
主分类号
H04J3/00
代理机构
代理人
主权项
地址
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