SPEAKING APPARATUS FOR PERSONS WITH THE OPERATED THROAT,申请号CS19770003316-传众专利搜索

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发明名称	SPEAKING APPARATUS FOR PERSONS WITH THE OPERATED THROAT
摘要
申请公布号	CS187993(B1)	申请公布日期	1979.02.28
申请号	CS19770003316	申请日期	1977.05.20
申请人	ZYKA,FRANTISEK,CS;ZYKA,FRANTISEK,CS	发明人	ZYKA,FRANTISEK,CS;ZYKA,FRANTISEK,CS
分类号	(IPC1-7):A61F1/20	主分类号	(IPC1-7):A61F1/20
代理机构		代理人
主权项
地址

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