Improvements in or relating to roller blinds,申请号GB19290027741-传众专利搜索

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发明名称	Improvements in or relating to roller blinds
摘要
申请公布号	GB335050(A)	申请公布日期	1930.09.18
申请号	GB19290027741	申请日期	1929.09.12
申请人	DAVID DE-LA-FUENTE	发明人
分类号	E06B9/17	主分类号	E06B9/17
代理机构		代理人
主权项
地址

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