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发明名称
Wireless transmission system
摘要
申请公布号
US1906769(A)
申请公布日期
1933.05.02
申请号
US19320593819
申请日期
1932.02.18
申请人
RUBENSTEIN JACOB H
发明人
RUBENSTEIN JACOB H.
分类号
H04H20/84
主分类号
H04H20/84
代理机构
代理人
主权项
地址
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