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发明名称
MOBILE DRILL-BORER
摘要
申请公布号
CA884757(A)
申请公布日期
1971.11.02
申请号
CAD884757
申请日期
申请人
OUTOKUMPU OY
发明人
KAARLO H. J. WENNERVIRTA;HEIKKI V. AULANKO
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