Improvements in or relating to ducts,申请号GB19590012525-传众专利搜索

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发明名称	Improvements in or relating to ducts
摘要
申请公布号	GB889039(A)	申请公布日期	1962.02.07
申请号	GB19590012525	申请日期	1959.04.13
申请人	RICHARDSONS, WESTGARTH & CO. LIMITED	发明人	LORETT JERZY ANDRE;MCGOWAN MICHAEL THOMAS ALPHONSUS
分类号	F15D1/04	主分类号	F15D1/04
代理机构		代理人
主权项
地址

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