Improvements in or relating to fire-retarding doors,申请号GB19570007344-传众专利搜索

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发明名称	Improvements in or relating to fire-retarding doors
摘要
申请公布号	GB820465(A)	申请公布日期	1959.09.23
申请号	GB19570007344	申请日期	1957.03.05
申请人	S.O.S. B-SKOD I/S	发明人
分类号	E06B5/16	主分类号	E06B5/16
代理机构		代理人
主权项
地址

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