Improvements in or relating to door closing or controlling means,申请号GB19490019302-传众专利搜索

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发明名称	Improvements in or relating to door closing or controlling means
摘要
申请公布号	GB663592(A)	申请公布日期	1951.12.27
申请号	GB19490019302	申请日期	1949.07.22
申请人	S. B. & N. LIMITED;GEORGE SHELDON BAYLISS	发明人
分类号	E05F3/10	主分类号	E05F3/10
代理机构		代理人
主权项
地址

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