DEVICE FOR PICKING UP ORE ON WATER BOTTOM,申请号JP19750119224-传众专利搜索

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发明名称	DEVICE FOR PICKING UP ORE ON WATER BOTTOM
摘要
申请公布号	JPS5243704(A)	申请公布日期	1977.04.06
申请号	JP19750119224	申请日期	1975.10.02
申请人	SUMITOMO KINZOKU KOUZAN KK	发明人	ASAKAWA YOSHIO
分类号	E21C45/00;E21C45/04;E21C50/00	主分类号	E21C45/00
代理机构		代理人
主权项
地址

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