Sound producing system,申请号US19620190133-传众专利搜索

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发明名称	Sound producing system
摘要
申请公布号	US3157247(A)	申请公布日期	1964.11.17
申请号	US19620190133	申请日期	1962.04.25
申请人	NIPPON GAKKI SEIZO KABUSHIKI KAISHA	发明人	ISHIMURA KAZUKIYO
分类号	G10H1/047	主分类号	G10H1/047
代理机构		代理人
主权项
地址

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