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发明名称
MINE CAGE AND ELEVATOR GUIDING MEANS
摘要
申请公布号
CA395688(A)
申请公布日期
1941.04.08
申请号
CAD395688
申请日期
申请人
JAMES TURNBULL KIRKWOOD
发明人
JAMES TURNBULL KIRKWOOD
分类号
主分类号
代理机构
代理人
主权项
地址
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