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发明名称
Verfahren und Vorrichtung zum Abbau von offenen Lagerstaetten auf dem Meeresgrund
摘要
申请公布号
DE1634854(A1)
申请公布日期
1970.08.13
申请号
DE19661634854
申请日期
1966.05.06
申请人
KENNECOTT COPPER CORP.
发明人
ROBEY GRAHAM,JOHN;ASHE MABSON,ALGERNON
分类号
E02F3/88;E21C50/00
主分类号
E02F3/88
代理机构
代理人
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地址
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