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发明名称
Einrichtung zur Erfassung der zeitlichen Änderung von Frequenzen.
摘要
申请公布号
AT129658(B)
申请公布日期
1932.09.10
申请号
ATD129658
申请日期
1930.04.02
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
DIPL. ING. THEODOR KAUKEWITSCH;DIPL. ING. HUGO STOESINGER
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