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发明名称
ALTERNATING CURRENT CONTROL DEVICES
摘要
申请公布号
CA473184(A)
申请公布日期
1951.04.24
申请号
CAD473184
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
DWIGHT W. GRANT
分类号
主分类号
代理机构
代理人
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