Improvements in or relating to door closing apparatus and the like,申请号GB19310031163-传众专利搜索

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发明名称	Improvements in or relating to door closing apparatus and the like
摘要
申请公布号	GB382760(A)	申请公布日期	1932.11.03
申请号	GB19310031163	申请日期	1931.11.10
申请人	DOUGLAS JAMES WEBBERLEY;JAMES ADAMS & SON, LIMITED	发明人
分类号	E05F3/06	主分类号	E05F3/06
代理机构		代理人
主权项
地址

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