MULTIPURPOSE EXPEDIENT FOR THE CHILDREN WITH THE HEARING DEFECTS,申请号CS19780007578-传众专利搜索

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发明名称	MULTIPURPOSE EXPEDIENT FOR THE CHILDREN WITH THE HEARING DEFECTS
摘要
申请公布号	CS197365(B1)	申请公布日期	1980.05.30
申请号	CS19780007578	申请日期	1978.11.21
申请人	HRUBY,JAROSLAV,CS;PRCHLIK,JIRI,CS	发明人	HRUBY,JAROSLAV,CS;PRCHLIK,JIRI,CS
分类号	H04R25/00;(IPC1-7):H04R25/00	主分类号	H04R25/00
代理机构		代理人
主权项
地址

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