Improvements relating to drag or sea anchors,申请号GB19450031160-传众专利搜索

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发明名称	Improvements relating to drag or sea anchors
摘要
申请公布号	GB603990(A)	申请公布日期	1948.06.25
申请号	GB19450031160	申请日期	1945.11.20
申请人	HJALMAR IVERSEN	发明人
分类号	B63B21/48	主分类号	B63B21/48
代理机构		代理人
主权项
地址

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