SELECTIVE EXTRACT METHOD FOR SOUND WAVE IN OPTIONAL DIRECTION,申请号JP19920362182-传众专利搜索

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发明名称	SELECTIVE EXTRACT METHOD FOR SOUND WAVE IN OPTIONAL DIRECTION
摘要
申请公布号	JPH0739000(A)	申请公布日期	1995.02.07
申请号	JP19920362182	申请日期	1992.12.05
申请人	SUZUKI KAZUMOTO	发明人	SUZUKI KAZUMOTO
分类号	H04R1/40;H04R25/00;(IPC1-7):H04R25/00	主分类号	H04R1/40
代理机构		代理人
主权项
地址

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