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发明名称
Improvements in or relating to automatic volume control systems
摘要
申请公布号
GB449386(A)
申请公布日期
1936.06.25
申请号
GB19350030616
申请日期
1935.11.05
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M.B.H.
发明人
分类号
H03G7/00
主分类号
H03G7/00
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代理人
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