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经营范围
发明名称
Coal planer having adjustable and relatively adjustable cutters
摘要
申请公布号
US3321249(A)
申请公布日期
1967.05.23
申请号
US19650453903
申请日期
1965.05.07
申请人
GEWERKSCHAFT EISENHUTTE WESTFALIA
发明人
LOBBE ARMIN
分类号
E21C27/34
主分类号
E21C27/34
代理机构
代理人
主权项
地址
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