LEVEL-CONTROLLED AMPLIFIER OR ATTENUATOR CIRCUITS,申请号GB19770038482-传众专利搜索

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发明名称	LEVEL-CONTROLLED AMPLIFIER OR ATTENUATOR CIRCUITS
摘要
申请公布号	GB1592575(A)	申请公布日期	1981.07.08
申请号	GB19770038482	申请日期	1977.09.15
申请人	SIEMENS AG	发明人
分类号	H03G1/00;H03G3/10;H03G3/20;H03G3/30;(IPC1-7):H03G3/20;H03H7/24	主分类号	H03G1/00
代理机构		代理人
主权项
地址

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