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经营范围
发明名称
Perfectionnements apportés aux appareils récepteurs de t. s. f.
摘要
申请公布号
FR858284(A)
申请公布日期
1940.11.21
申请号
FRD858284
申请日期
1939.07.26
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H05K7/02
主分类号
H05K7/02
代理机构
代理人
主权项
地址
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