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经营范围
发明名称
Coal plough
摘要
申请公布号
GB1102605(A)
申请公布日期
1968.02.07
申请号
GB19650033985
申请日期
1965.08.09
申请人
GEWERKSCHAFT EISENHUTTE WESTFALIA
发明人
分类号
E21C27/32;E21C27/34
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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