Improvements in the manufacture of metal frames for double windows or double doors,申请号GB19380037087-传众专利搜索

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发明名称	Improvements in the manufacture of metal frames for double windows or double doors
摘要
申请公布号	GB512601(A)	申请公布日期	1939.09.20
申请号	GB19380037087	申请日期	1938.05.17
申请人	AKTIEBOLAGET GOETAVERKEN;NORE ANDERSSON	发明人
分类号	E06B3/26	主分类号	E06B3/26
代理机构		代理人
主权项
地址

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