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经营范围
发明名称
Frequency detecting network
摘要
申请公布号
US2395515(A)
申请公布日期
1946.02.26
申请号
US19420466507
申请日期
1942.11.21
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
STOLLER HUGH M.
分类号
H03D3/26
主分类号
H03D3/26
代理机构
代理人
主权项
地址
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