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经营范围
发明名称
Dispositif de suppression de porteuse
摘要
申请公布号
FR1440687(A)
申请公布日期
1966.06.03
申请号
FR19650009525
申请日期
1965.03.17
申请人
AMPEX CORPORATION
发明人
分类号
G01P3/56;G05D3/18;H02P7/288;H03D13/00
主分类号
G01P3/56
代理机构
代理人
主权项
地址
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