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发明名称
Verfahren zum Verschmelzen des Kolbens und des Bodenteiles elektrischer Entladungsröhren
摘要
申请公布号
AT171674(B)
申请公布日期
1952.06.25
申请号
ATD171674
申请日期
1950.07.14
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
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