Improvements in or relating to reflecting signs,申请号GB19290003931-传众专利搜索

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发明名称	Improvements in or relating to reflecting signs
摘要
申请公布号	GB315298(A)	申请公布日期	1930.05.05
申请号	GB19290003931	申请日期	1929.02.05
申请人	HANS REDLHAMMER	发明人
分类号	G02B5/128	主分类号	G02B5/128
代理机构		代理人
主权项
地址

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