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发明名称
Inrichting voor het constant houden van de frequentie van een oscillator
摘要
申请公布号
BE615927(A2)
申请公布日期
1962.07.31
申请号
BE19620615927
申请日期
1962.04.03
申请人
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TEN BEHOEVE VAN NIJVERHEID,HANDEL EN VERKEER
发明人
分类号
(IPC1-7):H03B
主分类号
(IPC1-7):H03B
代理机构
代理人
主权项
地址
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