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经营范围
发明名称
Elektromekanisk filter.
摘要
申请公布号
DK118779(B)
申请公布日期
1970.10.05
申请号
DK19670004970
申请日期
1967.10.05
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
MARTIJN DE JONG
分类号
H03H9/13;H03H9/17;H03H9/54;(IPC1-7):H03H9/04
主分类号
H03H9/13
代理机构
代理人
主权项
地址
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