Portable apparatus for listening to sounds,申请号IT1991TO00838-传众专利搜索

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法人/股东/高管

发明名称	Portable apparatus for listening to sounds
摘要
申请公布号	IT1250040(B)	申请公布日期	1995.03.30
申请号	IT1991TO00838	申请日期	1991.11.06
申请人		发明人
分类号	A61B;(IPC1-7):A61B	主分类号	A61B
代理机构		代理人
主权项
地址

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