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发明名称
METHOD AND APPARATUS FOR BRINGING UP EARTH CORES
摘要
申请公布号
CA555507(A)
申请公布日期
1958.04.08
申请号
CAD555507
申请日期
申请人
TORSTEN K. E. KALLSTENIUS;WALTER KJELLMAN;OLEG WAGER
发明人
WALTER KJELLMAN;TORSTEN K. E. KALLSTENIUS;OLEG WAGER
分类号
主分类号
代理机构
代理人
主权项
地址
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