Improvements in door floor springs and checks,申请号GB19320012259-传众专利搜索

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发明名称	Improvements in door floor springs and checks
摘要
申请公布号	GB382882(A)	申请公布日期	1932.11.03
申请号	GB19320012259	申请日期	1932.04.28
申请人	GEORGE WILLIAM GROOM	发明人
分类号	E05F3/10	主分类号	E05F3/10
代理机构		代理人
主权项
地址

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