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发明名称
Quartz crystal oscillator
摘要
申请公布号
US2015836(A)
申请公布日期
1935.10.01
申请号
US19340709714
申请日期
1934.02.05
申请人
TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE M. B. H.
发明人
BECHMANN RUDOLF;ROOSENSTEIN HANS OTTO;ELSTERMANN HERBERT
分类号
H03H9/09
主分类号
H03H9/09
代理机构
代理人
主权项
地址
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