发明名称 METHOD AND APPARATUS FOR MINING MANGANESE NODULES FROM THE DEEP SEA-BOTTOM
摘要 A mechanism for mining manganese nodules from the deep sea bottom including a number of dredge nets tied to a long endless rope suspended from both sides of a ship, the rope falling from one side of the ship to the deep sea-bottom with apparatus being provided to pull the rope therefrom to another side of the ship, whereby manganese nodules are continuously collected by the dredge nets.
申请公布号 US3672079(A) 申请公布日期 1972.06.27
申请号 USD3672079 申请日期 1970.04.22
申请人 YOSHIO MASUDA;TOSHIKAZU MURAKAMI 发明人 YOSHIO MASUDA;TOSHIKAZU MURAKAMI
分类号 E02F3/08;E21C50/00;(IPC1-7):E02F3/14 主分类号 E02F3/08
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