MULTI-CONNECTED AND VARIABLE ATTENUATION DEVICE,申请号KR19790001512U-传众专利搜索

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发明名称	MULTI-CONNECTED AND VARIABLE ATTENUATION DEVICE
摘要
申请公布号	KR790001711(Y1)	申请公布日期	1979.09.30
申请号	KR19790001512U	申请日期	1979.03.16
申请人	SONY CO LTD	发明人	MASAOH N
分类号	H01L29/78;H03H7/24;(IPC1-7):H03H7/24;H04N9/53	主分类号	H01L29/78
代理机构		代理人
主权项
地址

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