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发明名称
TRAWLNET FOR COLLECTING MANGANESE NODULES
摘要
申请公布号
JPS5299902(A)
申请公布日期
1977.08.22
申请号
JP19760016372
申请日期
1976.02.17
申请人
YOSHIDA KINGO
发明人
YOSHIDA KINGO
分类号
E21C45/00;E21C50/02
主分类号
E21C45/00
代理机构
代理人
主权项
地址
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