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发明名称
EXCITATION SYSTEMS
摘要
申请公布号
CA474491(A)
申请公布日期
1951.06.12
申请号
CAD474491
申请日期
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
CLARENCE LYNN
分类号
主分类号
代理机构
代理人
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地址
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