Improvements in guards for gutters,申请号GB19290028449-传众专利搜索

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发明名称	Improvements in guards for gutters
摘要
申请公布号	GB331442(A)	申请公布日期	1930.07.03
申请号	GB19290028449	申请日期	1929.09.19
申请人	MARTIN MATTHEW MARTINI	发明人
分类号	E04D13/076	主分类号	E04D13/076
代理机构		代理人
主权项
地址

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