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发明名称
Pusher plate operating mechanism for continuous miners
摘要
申请公布号
US2719710(A)
申请公布日期
1955.10.04
申请号
US19540447860
申请日期
1954.08.04
申请人
GOODMAN MANUFACTURING COMPANY
发明人
OGDEN CHARLES T.
分类号
E21C27/12
主分类号
E21C27/12
代理机构
代理人
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