WIDE-BAND SIGNAL SWITCHING APPARATUS,申请号HU19870004120-传众专利搜索

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发明名称	WIDE-BAND SIGNAL SWITCHING APPARATUS
摘要
申请公布号	HU197137(B)	申请公布日期	1989.02.28
申请号	HU19870004120	申请日期	1987.09.16
申请人	SIEMENS AG,WB,DE	发明人	HOFMANN,RUEDIGER,DE
分类号	H04M3/00;H03K17/693;H04Q3/52;(IPC1-7):H04Q3/52;H04N5/268	主分类号	H04M3/00
代理机构		代理人
主权项
地址

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