METHOD OF DETERMINING MECHANICAL RESONANCE FREQUENCY OF A LOUDSPEAKER,申请号SU19762335664-传众专利搜索

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发明名称	METHOD OF DETERMINING MECHANICAL RESONANCE FREQUENCY OF A LOUDSPEAKER
摘要
申请公布号	SU581601(A1)	申请公布日期	1977.11.25
申请号	SU19762335664	申请日期	1976.03.18
申请人	PROZOROV FELIKS K,SU	发明人	PROZOROV FELIKS K,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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