ORIENTED ACOUSTIC SYSTEM,申请号RU19940014793-传众专利搜索

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发明名称	ORIENTED ACOUSTIC SYSTEM
摘要
申请公布号	RU2081517(C1)	申请公布日期	1997.06.10
申请号	RU19940014793	申请日期	1994.04.21
申请人	ABRAKITOVA LILIYA ALEKSANDROVNA;ABRAKITOV VLADIMIR EDUARDOVICH	发明人	ABRAKITOVA LILIYA ALEKSANDROVNA;ABRAKITOV VLADIMIR EDUARDOVICH
分类号	H04R1/20;(IPC1-7):H04R1/20	主分类号	H04R1/20
代理机构		代理人
主权项
地址

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