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发明名称
MAGNET OPERATOR STRUCTURE
摘要
申请公布号
CA501737(A)
申请公布日期
1954.04.20
申请号
CAD501737
申请日期
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
JOHN C. PONSTINGL
分类号
主分类号
代理机构
代理人
主权项
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