A dielectric electro-mechanical piezoelectric transducer,申请号GB19640042519-传众专利搜索

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发明名称	A dielectric electro-mechanical piezoelectric transducer
摘要
申请公布号	GB1071916(A)	申请公布日期	1967.06.14
申请号	GB19640042519	申请日期	1964.10.19
申请人	CESKOSLOVENSKA AKADAMIE VED	发明人
分类号	H04R17/02;H04R23/00	主分类号	H04R17/02
代理机构		代理人
主权项
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