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发明名称
Push-button tuning with band-width control
摘要
申请公布号
US2252098(A)
申请公布日期
1941.08.12
申请号
US19390303595
申请日期
1939.11.09
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE, M. B. H.
发明人
ROHR WALTER
分类号
H03J5/12
主分类号
H03J5/12
代理机构
代理人
主权项
地址
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