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发明名称
Radio broadcasting system
摘要
申请公布号
US2099787(A)
申请公布日期
1937.11.23
申请号
US19330702880
申请日期
1933.12.18
申请人
RADIO CORPORATION
发明人
WRIGHT ELLEN ILAMILTON CLEGG
分类号
H04H20/06;H04H20/10;H04H60/04
主分类号
H04H20/06
代理机构
代理人
主权项
地址
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