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经营范围
发明名称
Apparatus for relatively continuously receiving material and intermittently discharging the same
摘要
申请公布号
US2637456(A)
申请公布日期
1953.05.05
申请号
US19480060738
申请日期
1948.11.18
申请人
JOY MANUFACTURING COMPANY
发明人
FELDERMAN LLOYD G.
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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