Improvements in windows for building constructions,申请号GB19410006495-传众专利搜索

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发明名称	Improvements in windows for building constructions
摘要
申请公布号	GB542901(A)	申请公布日期	1942.01.30
申请号	GB19410006495	申请日期	1941.05.21
申请人	EDWARD THOMAS ASTLEY	发明人
分类号	E06B3/34;E06B3/40	主分类号	E06B3/34
代理机构		代理人
主权项
地址

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