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发明名称
Transmission regulation
摘要
申请公布号
US2361593(A)
申请公布日期
1944.10.31
申请号
US19420467947
申请日期
1942.12.05
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BLACK HAROLD S.
分类号
H04B3/04;H04B3/06;H04B3/10
主分类号
H04B3/04
代理机构
代理人
主权项
地址
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