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经营范围
发明名称
CONTROL CIRCUIT
摘要
申请公布号
GB1255532(A)
申请公布日期
1971.12.01
申请号
GB19690023722
申请日期
1969.05.09
申请人
RCA CORPORATION
发明人
分类号
H02M7/523;H05B41/04
主分类号
H02M7/523
代理机构
代理人
主权项
地址
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