Improvements relating to door checks,申请号GB19480031518-传众专利搜索

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发明名称	Improvements relating to door checks
摘要
申请公布号	GB650925(A)	申请公布日期	1951.03.07
申请号	GB19480031518	申请日期	1948.12.06
申请人	HERBERT GEORGE THOMPSON;FRANK KIMBER SARJENT	发明人	THOMPSON HERBERT GEORGE
分类号	E05F5/10	主分类号	E05F5/10
代理机构		代理人
主权项
地址

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