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发明名称
Automatic radio program selector
摘要
申请公布号
US1958943(A)
申请公布日期
1934.05.15
申请号
US19330683080
申请日期
1933.07.31
申请人
DETWILER VINCENT F;DETWILER VICTOR A;DORAN JOHN J
发明人
DETWILER VINCENT F.;DETWILER VICTOR A.;DORAN JOHN J.
分类号
G04C23/00
主分类号
G04C23/00
代理机构
代理人
主权项
地址
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