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发明名称
Conveyer-propelled supply truck for use with shaking conveyers
摘要
申请公布号
US2644573(A)
申请公布日期
1953.07.07
申请号
US19490078274
申请日期
1949.02.25
申请人
JOY MANUFACTURING COMPANY
发明人
JOY JOSEPH F.
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
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