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发明名称
Rotary pick mining machine
摘要
申请公布号
US3165361(A)
申请公布日期
1965.01.12
申请号
US19610106552
申请日期
1961.05.01
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
DAWSON GORDON BERTRAM;MILLS LAURENCE JOHN
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
主权项
地址
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