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经营范围
发明名称
Keramisk isolator
摘要
申请公布号
FI22010(A)
申请公布日期
1947.04.11
申请号
FI19410002062
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKE
发明人
VERWEY EVERT JOHANNES WILLEM
分类号
(IPC1-7):H01G3/09
主分类号
(IPC1-7):H01G3/09
代理机构
代理人
主权项
地址
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