Improvements in and connected with windows,申请号GB19300020034-传众专利搜索

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发明名称	Improvements in and connected with windows
摘要
申请公布号	GB357289(A)	申请公布日期	1931.09.24
申请号	GB19300020034	申请日期	1930.07.02
申请人	JOHN CALDWELL MUIR;ROBERT LOUDON	发明人
分类号	E06B3/44	主分类号	E06B3/44
代理机构		代理人
主权项
地址

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