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经营范围
发明名称
MINING PROCESS
摘要
申请公布号
GB8701008(D0)
申请公布日期
1987.02.18
申请号
GB19870001008
申请日期
1987.01.19
申请人
EICKHOFF MASCHINENFABRIK U EISENGIESSEREI MBH GEBR
发明人
分类号
E21C41/16;E21C27/00;E21C27/02;E21C41/18
主分类号
E21C41/16
代理机构
代理人
主权项
地址
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