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发明名称
Anordnung zum Drehzahlvergleich von umlaufenden Teilen, insbesondere von Elektrizitaetszaehlern
摘要
申请公布号
DE900149(C)
申请公布日期
1953.12.21
申请号
DE1952L011635
申请日期
1952.02.22
申请人
LICENTIA PATENT-VERWALTUNGS-G.M.B.H.
发明人
BLUM DR.-ING. WALTER
分类号
G01P3/42;G01P3/56
主分类号
G01P3/42
代理机构
代理人
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地址
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