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发明名称
Coal plough
摘要
申请公布号
GB1033853(A)
申请公布日期
1966.06.22
申请号
GB19640004217
申请日期
1964.01.31
申请人
GEWERKSCHAFT EISENHUETTE 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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