METHOD OF TESTING PIEZOCERAMIC OIL-FILLED SOUND PICK-UPS,申请号SU19782607400-传众专利搜索

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发明名称	METHOD OF TESTING PIEZOCERAMIC OIL-FILLED SOUND PICK-UPS
摘要
申请公布号	SU687626(A1)	申请公布日期	1979.09.25
申请号	SU19782607400	申请日期	1978.04.24
申请人	ELGARD ANATOLIJ M,SU	发明人	ELGARD ANATOLIJ M,SU
分类号	H04R29/00;(IPC1-7):H04R29/00	主分类号	H04R29/00
代理机构		代理人
主权项
地址

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