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经营范围
发明名称
Un material ferromagnético
摘要
申请公布号
ES29455(U)
申请公布日期
1952.05.16
申请号
ES19550000294U
申请日期
1952.01.02
申请人
GLOCILAMPEUFABRIEKEU PHILIPS
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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