KEY BOARD TRANSDUCER,申请号HK19780000224-传众专利搜索

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发明名称	KEY BOARD TRANSDUCER
摘要
申请公布号	HK22478(A)	申请公布日期	1978.05.05
申请号	HK19780000224	申请日期	1978.04.27
申请人	KUREHA CHEMICAL IND CO LTD	发明人
分类号	H01G7/02;H02N2/18;H03K17/967;(IPC1-7):H02N11/00;H01L41/00;H04R17/00	主分类号	H01G7/02
代理机构		代理人
主权项
地址

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