Apparatus for producing sounds,申请号US19230668378-传众专利搜索

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发明名称	Apparatus for producing sounds
摘要
申请公布号	US1744570(A)	申请公布日期	1930.01.21
申请号	US19230668378	申请日期	1923.10.13
申请人	SURTEES PAGET RICHARD ARTHUR	发明人	PAGET RICHARD ARTHUR SURTEES
分类号	A61F2/20	主分类号	A61F2/20
代理机构		代理人
主权项
地址

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