Improvements in or relating to spring hinges,申请号GB19380011431-传众专利搜索

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发明名称	Improvements in or relating to spring hinges
摘要
申请公布号	GB513556(A)	申请公布日期	1939.10.16
申请号	GB19380011431	申请日期	1938.04.13
申请人	R. & A. MAIN LIMITED;BRYAN FREDERICK HALLOWS BEAUMONT;REGINALD TAYLOR	发明人
分类号	E05F1/12	主分类号	E05F1/12
代理机构		代理人
主权项
地址

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