Improvements in and relating to temporary covers for ship's hatches and the like,申请号GB19520010486-传众专利搜索

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发明名称	Improvements in and relating to temporary covers for ship's hatches and the like
摘要
申请公布号	GB721966(A)	申请公布日期	1955.01.19
申请号	GB19520010486	申请日期	1952.04.25
申请人	JOHN LEVETTE POTTER	发明人	POTTER FRANK
分类号	B63B17/02;E04H15/58	主分类号	B63B17/02
代理机构		代理人
主权项
地址

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