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发明名称
Transmission regulation
摘要
申请公布号
US2692307(A)
申请公布日期
1954.10.19
申请号
US19520272401
申请日期
1952.02.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KETCHLEDGE RAYMOND W.
分类号
H04B3/10
主分类号
H04B3/10
代理机构
代理人
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地址
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