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发明名称
Système pour déterminer la fréquence fondamentale d'un signal périodique
摘要
申请公布号
FR1416919(A)
申请公布日期
1965.11.05
申请号
FR19640997948
申请日期
1964.12.09
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G01R23/00;G01R23/02
主分类号
G01R23/00
代理机构
代理人
主权项
地址
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