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发明名称
DEVICE COMPRISING A GAS-DISCHARGE TUBE AND AN ELECTRO-MAGNETIC SWITCH AND ELECTRO-MAGNETIC SWITCHES FOR USE IN SUCH DEVICES
摘要
申请公布号
CA481400(A)
申请公布日期
1952.02.26
申请号
CAD481400
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
THEODORUS HEHENKAMP;KLAAS DE JONG
分类号
主分类号
代理机构
代理人
主权项
地址
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