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发明名称
MAGNETIC FILTER
摘要
申请公布号
CA879863(A)
申请公布日期
1971.08.31
申请号
CAD879863
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
ARTHUR J. TYRELL
分类号
主分类号
代理机构
代理人
主权项
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