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经营范围
发明名称
High-frequency signaling
摘要
申请公布号
US1773901(A)
申请公布日期
1930.08.26
申请号
US19160130350
申请日期
1916.11.09
申请人
WESTERN ELECTRIC COMPANY, INCORPORATIED
发明人
KENDALL BURTON W.
分类号
F02M69/00;H03D1/22;H04B1/16;H04J1/00;H04J1/04;H04J1/06;H04J1/10
主分类号
F02M69/00
代理机构
代理人
主权项
地址
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