Improvements in and relating to opening frames for skylights and the like,申请号GB19470026333-传众专利搜索

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发明名称	Improvements in and relating to opening frames for skylights and the like
摘要
申请公布号	GB633580(A)	申请公布日期	1949.12.19
申请号	GB19470026333	申请日期	1947.09.30
申请人	HENRY MAITLAND WILLIAMS	发明人
分类号	E04D3/08;E04D3/14	主分类号	E04D3/08
代理机构		代理人
主权项
地址

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