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发明名称
Signaling with high frequency waves
摘要
申请公布号
US2048080(A)
申请公布日期
1936.07.21
申请号
US19340710707
申请日期
1934.02.10
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
POTTER RALPH KIMBALL
分类号
H04B1/68
主分类号
H04B1/68
代理机构
代理人
主权项
地址
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