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发明名称
Mechanism for grooving mine hoist drums and the like
摘要
申请公布号
US3244037(A)
申请公布日期
1966.04.05
申请号
US19640424468
申请日期
1964.12.14
申请人
NORDBERG MANUFACTURING COMPANY
发明人
RUEHMER WALTER E.
分类号
B23Q11/00
主分类号
B23Q11/00
代理机构
代理人
主权项
地址
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