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发明名称
ELECTRICAL RESONATORS
摘要
申请公布号
CA493379(A)
申请公布日期
1953.06.02
申请号
CAD493379
申请日期
申请人
M. O. VALVE COMPANY
发明人
NORMAN L. HARRIS;JOHN W. RYDE
分类号
主分类号
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代理人
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