Improvements in or relating to hearing appliances,申请号GB19340014702-传众专利搜索

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发明名称	Improvements in or relating to hearing appliances
摘要
申请公布号	GB428733(A)	申请公布日期	1935.05.17
申请号	GB19340014702	申请日期	1934.05.15
申请人	CHARLES ALBERT VICTOR HICKS	发明人
分类号	A61F11/00	主分类号	A61F11/00
代理机构		代理人
主权项
地址

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