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经营范围
发明名称
Abstimmbares Hochfrequenz-Bandfilter
摘要
申请公布号
DE1904531(A1)
申请公布日期
1970.08.13
申请号
DE19691904531
申请日期
1969.01.30
申请人
PHILIPS' PATENTVERWALTUNG GMBH
发明人
KUPFER,KARL-HEINZ
分类号
H03H7/01;H04J3/06;H04J3/18;H04Q11/06
主分类号
H03H7/01
代理机构
代理人
主权项
地址
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