An improved door lock,申请号GB19500009180-传众专利搜索

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发明名称	An improved door lock
摘要
申请公布号	GB675409(A)	申请公布日期	1952.07.09
申请号	GB19500009180	申请日期	1950.04.13
申请人	JACQUES FRANCOIS GABRIEL CHOBERT	发明人
分类号	E05B59/04;E05B63/20	主分类号	E05B59/04
代理机构		代理人
主权项
地址

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