Adjustable gutter for roof ventilator,申请号US19610121411-传众专利搜索

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发明名称	Adjustable gutter for roof ventilator
摘要
申请公布号	US3066594(A)	申请公布日期	1962.12.04
申请号	US19610121411	申请日期	1961.07.03
申请人	H. H. ROBERTSON COMPANY	发明人	LINDNER ROBERT G.
分类号	E04D13/035	主分类号	E04D13/035
代理机构		代理人
主权项
地址

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