Safety spring lock,申请号GB19530005026-传众专利搜索

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发明名称	Safety spring lock
摘要
申请公布号	GB736439(A)	申请公布日期	1955.09.07
申请号	GB19530005026	申请日期	1953.02.23
申请人	DANIEL GEORG MARTENS	发明人
分类号	E05B45/12	主分类号	E05B45/12
代理机构		代理人
主权项
地址

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