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发明名称
Verfahren und Vorrichtung für den selbsttätigen Vergleich der Periodenzahl zweier Schwingungen.
摘要
申请公布号
CH268209(A)
申请公布日期
1950.05.15
申请号
CHD268209
申请日期
1948.03.27
申请人
MAAS,FRIEDRICH JULIUS
发明人
JULIUS MAAS,FRIEDRICH
分类号
G01R23/00;H04L5/06
主分类号
G01R23/00
代理机构
代理人
主权项
地址
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Ausrüstungsgegenstand
