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经营范围
发明名称
Radiating system
摘要
申请公布号
US2411551(A)
申请公布日期
1946.11.26
申请号
US19410407457
申请日期
1941.08.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MASON WARREN P.
分类号
H04R1/40
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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