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经营范围
发明名称
MINING COAL
摘要
申请公布号
GB8517814(D0)
申请公布日期
1985.08.21
申请号
GB19850017814
申请日期
1985.07.15
申请人
CENTRUM MECHANIZACJI GORNICTWA KOMAG
发明人
分类号
E21D23/26
主分类号
E21D23/26
代理机构
代理人
主权项
地址
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