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经营范围
发明名称
ASYMMETRICAL MULTIPHASE FILTER
摘要
申请公布号
JPH0226406(A)
申请公布日期
1990.01.29
申请号
JP19890137342
申请日期
1989.05.30
申请人
PHILIPS GLOEILAMPENFAB:NV
发明人
YOHANESU OTSUTO FUOORUMAN
分类号
H03H7/01;H03H11/04;H03H11/12;H03H11/22
主分类号
H03H7/01
代理机构
代理人
主权项
地址
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