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发明名称
VARIABLE-TURNOVER-FREQUENCY BASS TONE CONTROL
摘要
申请公布号
CA866307(A)
申请公布日期
1971.03.16
申请号
CAD866307
申请日期
申请人
ZENITH RADIO CORPORATION
发明人
WAYNE M. SCHOTT
分类号
主分类号
代理机构
代理人
主权项
地址
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