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发明名称
Diplexer mit unsymmetrischen Butterworth-Filtern
摘要
申请公布号
DE20207425(U1)
申请公布日期
2002.07.25
申请号
DE20022007425U
申请日期
2002.05.10
申请人
SIEMENS AG
发明人
分类号
H03H7/46;(IPC1-7):H03H7/00
主分类号
H03H7/46
代理机构
代理人
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