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经营范围
发明名称
Cátodo de calcio indirecto.
摘要
申请公布号
ES8858(Y)
申请公布日期
1945.09.01
申请号
ES19580000088U
申请日期
1943.08.05
申请人
N. V. PHILIP'S GLOÉILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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