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发明名称
Transverter
摘要
申请公布号
US2727092(A)
申请公布日期
1955.12.13
申请号
US19520321786
申请日期
1952.11.21
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
CAHILL HAROLD D.
分类号
H04M15/08
主分类号
H04M15/08
代理机构
代理人
主权项
地址
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