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发明名称
Signaling by modulated waves
摘要
申请公布号
US2276863(A)
申请公布日期
1942.03.17
申请号
US19410373097
申请日期
1941.01.04
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
PETERSON EUGENE
分类号
H03D1/24
主分类号
H03D1/24
代理机构
代理人
主权项
地址
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