Apparecchio atto a produrre la fonazione senza le corde vocali, specialmente adatto per laringectomizzati.,申请号CHD306099-传众专利搜索

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发明名称	Apparecchio atto a produrre la fonazione senza le corde vocali, specialmente adatto per laringectomizzati.
摘要
申请公布号	CH306099(A)	申请公布日期	1955.03.31
申请号	CHD306099	申请日期	1952.06.18
申请人	TICCHIONI,RUGGERO	发明人	TICCHIONI,RUGGERO
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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