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发明名称
ELECTRICAL TRANSFORMER
摘要
申请公布号
CA370779(A)
申请公布日期
1937.12.28
申请号
CAD370779
申请日期
申请人
THE CANADIAN WESTINGHOUSE COMPANY
发明人
JOHN K. HODNETTE
分类号
主分类号
代理机构
代理人
主权项
地址
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