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发明名称
TONE CONTROL AMPLIFIERS
摘要
申请公布号
CA480718(A)
申请公布日期
1952.01.29
申请号
CAD480718
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
PIERRE AUGUSTE JOSEPH LEOPOLD VISSCHERS
分类号
主分类号
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代理人
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