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发明名称
DEVICE FOR PICKING UP ORE DEPOSITED ON SEA BOTTOM
摘要
申请公布号
JPS5232802(A)
申请公布日期
1977.03.12
申请号
JP19750108507
申请日期
1975.09.09
申请人
KOMATSU MFG CO LTD
发明人
ISHINO YOSHITANE
分类号
E21C45/00;E21C45/04
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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