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发明名称
Code signaling
摘要
申请公布号
US2070950(A)
申请公布日期
1937.02.16
申请号
US19350033509
申请日期
1935.07.27
申请人
RADIO CORPORATION
发明人
MATHES RICHARD E.
分类号
H03M5/00
主分类号
H03M5/00
代理机构
代理人
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