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发明名称
Arrangement for stabilizing the frequency of electric low frequency oscillators
摘要
申请公布号
US3364672(A)
申请公布日期
1968.01.23
申请号
US19650480707
申请日期
1965.08.18
申请人
LABORATORNI PRISTROJE, NARODNI PODNIK
发明人
PFEFFER VACLAV
分类号
G04C3/16
主分类号
G04C3/16
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