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经营范围
发明名称
MINING MACHINERY
摘要
申请公布号
ZA7705933(B)
申请公布日期
1979.05.30
申请号
ZA19770005933
申请日期
1977.10.04
申请人
ATLOW MINING DEV CONSULTANTS LTD
发明人
DAWSON G
分类号
E21C25/00
主分类号
E21C25/00
代理机构
代理人
主权项
地址
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