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经营范围
发明名称
AUGER MINING MACHINE
摘要
申请公布号
AU2361277(A)
申请公布日期
1978.07.27
申请号
AU19770023612
申请日期
1977.03.24
申请人
SALEM TOOL CO.
发明人
RONALD CLIFFTON DEETER;JOHN MICHAEL POZNIKO
分类号
E21C27/22;E21C31/02
主分类号
E21C27/22
代理机构
代理人
主权项
地址
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