Improvements in ship hatches,申请号GB19520002913-传众专利搜索

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发明名称	Improvements in ship hatches
摘要
申请公布号	GB703130(A)	申请公布日期	1954.01.27
申请号	GB19520002913	申请日期	1952.02.04
申请人	KNUD EMIL THORVALD HENNING HANSEN	发明人
分类号	B63B19/18	主分类号	B63B19/18
代理机构		代理人
主权项
地址

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