SYSTEM FOR MEASURING AMPLITUDE OF VIBRATING SURFACES OF ELECTROMECHANICAL ACOUSTIC TRANSDUCERS,申请号PL19870265344-传众专利搜索

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发明名称	SYSTEM FOR MEASURING AMPLITUDE OF VIBRATING SURFACES OF ELECTROMECHANICAL ACOUSTIC TRANSDUCERS
摘要
申请公布号	PL154040(B1)	申请公布日期	1991.06.28
申请号	PL19870265344	申请日期	1987.04.24
申请人		发明人
分类号	G01H;G01H1/00;G01M7/02;(IPC1-7):G01H1/00	主分类号	G01H
代理机构		代理人
主权项
地址

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