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发明名称
CUTTING APPARATUS AND TOOL FOR USE THEREWITH
摘要
申请公布号
GB1263572(A)
申请公布日期
1972.02.09
申请号
GB19690019056
申请日期
1969.04.14
申请人
THE CEMENTATION COMPANY LIMITED
发明人
DEREK JAMES FAWCETT;JOHN HENRY WEBB
分类号
E21B7/00
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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