Improvements in and relating to door locks,申请号GB19290013684-传众专利搜索

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发明名称	Improvements in and relating to door locks
摘要
申请公布号	GB330711(A)	申请公布日期	1930.06.19
申请号	GB19290013684	申请日期	1929.05.02
申请人	GEORGE WASHINGTON PIRRIE JOHNSTON	发明人
分类号	E05C1/08	主分类号	E05C1/08
代理机构		代理人
主权项
地址

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