Improvements in locking devices for double doors,申请号GB19500027913-传众专利搜索

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发明名称	Improvements in locking devices for double doors
摘要
申请公布号	GB688425(A)	申请公布日期	1953.03.04
申请号	GB19500027913	申请日期	1950.11.15
申请人	JOHN JAMES LOVELL	发明人
分类号	E05C7/06	主分类号	E05C7/06
代理机构		代理人
主权项
地址

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