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发明名称
Mining machine having vertically swingable cutter head and reciprocable gathering mechanism
摘要
申请公布号
US2750179(A)
申请公布日期
1956.06.12
申请号
US19530345006
申请日期
1953.03.27
申请人
GOODMAN MANUFACTURING COMPANY
发明人
CARTLIDGE FRANK
分类号
E21C27/24
主分类号
E21C27/24
代理机构
代理人
主权项
地址
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