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经营范围
发明名称
Keramischer Isolator.
摘要
申请公布号
CH254644(A)
申请公布日期
1948.05.15
申请号
CHD254644
申请日期
1946.02.13
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
主分类号
代理机构
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