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发明名称
Multi-channel phase locked tone converter
摘要
申请公布号
US2879387(A)
申请公布日期
1959.03.24
申请号
US19530394275
申请日期
1953.11.25
申请人
KAHN LEONARD R
发明人
KAHN LEONARD R.
分类号
H03B21/02
主分类号
H03B21/02
代理机构
代理人
主权项
地址
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