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发明名称
Transmission privacy synchronizing and equalizing system
摘要
申请公布号
US2542183(A)
申请公布日期
1951.02.20
申请号
US19480038115
申请日期
1948.07.10
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
EDWARDS PAUL G.
分类号
H04K1/00
主分类号
H04K1/00
代理机构
代理人
主权项
地址
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