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发明名称
Shuttle car
摘要
申请公布号
US2317644(A)
申请公布日期
1943.04.27
申请号
US19420434711
申请日期
1942.03.14
申请人
JOY MANUFACTURING COMPANY
发明人
RUSSELL JOHN D.
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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