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发明名称
MINING MACHINE WITH SLIDABLE CUTTER BAR EXTENSIONS
摘要
申请公布号
CA730569(A)
申请公布日期
1966.03.22
申请号
CAD730569
申请日期
申请人
NATIONAL MINE SERVICE COMPANY
发明人
JERRY KARLOVSKY, JR.;JOHN M. COOKSON
分类号
主分类号
代理机构
代理人
主权项
地址
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