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发明名称
Noise control system
摘要
申请公布号
US2105558(A)
申请公布日期
1938.01.18
申请号
US19350029006
申请日期
1935.06.29
申请人
RADIO CORPORATION
发明人
SMITH ROGERS M.
分类号
H03G9/10
主分类号
H03G9/10
代理机构
代理人
主权项
地址
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