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经营范围
发明名称
Elektriskt urladdningsrör
摘要
申请公布号
FI23670(A)
申请公布日期
1949.05.10
申请号
FID23670
申请日期
1946.04.27
申请人
N.V.PHILIPS' GLOEILAMPENFABRIEKE
发明人
JONKER JOHAN LODELWIJK HENDRIK;DIEMER GESINUS
分类号
H01J21/10;(IPC1-7):H01J21/10
主分类号
H01J21/10
代理机构
代理人
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地址
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