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发明名称
Remote control system
摘要
申请公布号
US1999359(A)
申请公布日期
1935.04.30
申请号
US19310558202
申请日期
1931.08.20
申请人
RADIO CORPORATION
发明人
HOPKINS ALVA R.
分类号
H03J1/20
主分类号
H03J1/20
代理机构
代理人
主权项
地址
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