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发明名称
Frequency analyzers
摘要
申请公布号
US2986698(A)
申请公布日期
1961.05.30
申请号
US19570694027
申请日期
1957.11.01
申请人
AMERICAN MACHINE & FOUNDRY COMPANY
发明人
BURKLUND GLENN A.
分类号
G01R23/02
主分类号
G01R23/02
代理机构
代理人
主权项
地址
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