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发明名称
Mine haulage vehicle
摘要
申请公布号
US2325731(A)
申请公布日期
1943.08.03
申请号
US19410425114
申请日期
1941.12.31
申请人
JOY MANUFACTURING COMPANY
发明人
ARENTAEN EINAR M.;LEE ARTHUR L.
分类号
E21F13/02
主分类号
E21F13/02
代理机构
代理人
主权项
地址
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