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发明名称
Coal planing machine head and cutter arrangement thereon
摘要
申请公布号
US2699930(A)
申请公布日期
1955.01.18
申请号
US19500187741
申请日期
1950.09.30
申请人
ARMIN LOBBE
发明人
LOBBE ARMIN
分类号
E21C35/12
主分类号
E21C35/12
代理机构
代理人
主权项
地址
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