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发明名称
Matching circuit
摘要
申请公布号
US2811707(A)
申请公布日期
1957.10.29
申请号
US19550556261
申请日期
1955.12.29
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
HENNING HARLEY A.;MURPHY ORLANDO J.
分类号
G06F7/02;H04Q3/00
主分类号
G06F7/02
代理机构
代理人
主权项
地址
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