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经营范围
发明名称
Coal winning and conveying installations
摘要
申请公布号
GB936869(A)
申请公布日期
1963.09.18
申请号
GB19620021109
申请日期
1962.05.31
申请人
STAMICARBON N.V.
发明人
分类号
E21C35/20;E21F13/06
主分类号
E21C35/20
代理机构
代理人
主权项
地址
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