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发明名称
Mining and loading installations for use in thin coal-beds
摘要
申请公布号
GB1133193(A)
申请公布日期
1968.11.13
申请号
GB19660005502
申请日期
1966.02.08
申请人
ZAKLADY KONSTRUCYJNO-MECHANIZACYJNE PRZEMYSLU WEGLOWEGO
发明人
分类号
E21C27/02
主分类号
E21C27/02
代理机构
代理人
主权项
地址
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