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发明名称
Frequency shift signal demodulator
摘要
申请公布号
US3233181(A)
申请公布日期
1966.02.01
申请号
US19630254138
申请日期
1963.01.28
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CALFEE RICHARD W.
分类号
H04L27/14;H04L27/156
主分类号
H04L27/14
代理机构
代理人
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地址
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