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经营范围
发明名称
APPARATUS FOR CONTINUOUS MINING OF CRUST ORE
摘要
申请公布号
JPS6286293(A)
申请公布日期
1987.04.20
申请号
JP19850225973
申请日期
1985.10.12
申请人
MASUDA YOSHIO;FUKADA HIDEAKI
发明人
MASUDA YOSHIO
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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