Improvements relating to eye shades,申请号GB19340020562-传众专利搜索

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发明名称	Improvements relating to eye shades
摘要
申请公布号	GB428985(A)	申请公布日期	1935.05.22
申请号	GB19340020562	申请日期	1934.11.12
申请人	FREDERICK GEORGE MITCHELL	发明人
分类号	G02C7/10;G02C7/16	主分类号	G02C7/10
代理机构		代理人
主权项
地址

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