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发明名称
Verfahren und Vorrichtung zum Auffinden von Undichtigkeiten in Vakuumgefaessen
摘要
申请公布号
DE814628(C)
申请公布日期
1951.09.24
申请号
DE1950N000486
申请日期
1950.02.10
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
NIENHUIS KORNELIS
分类号
H01J9/42
主分类号
H01J9/42
代理机构
代理人
主权项
地址
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