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发明名称
Radio signaling system
摘要
申请公布号
US1907109(A)
申请公布日期
1933.05.02
申请号
US19300501825
申请日期
1930.12.12
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
HINTON LESLIE TURNER
分类号
H03C1/52;H04B7/005;H04B14/00;H04B14/08
主分类号
H03C1/52
代理机构
代理人
主权项
地址
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