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经营范围
发明名称
Arrangement for locking a shanked tool in a holder
摘要
申请公布号
GB1115812(A)
申请公布日期
1968.05.29
申请号
GB19650016252
申请日期
1965.04.15
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
SMITH DONALD SIDNEY;YOUNG FREDERICK WILLIAM
分类号
E21C35/19
主分类号
E21C35/19
代理机构
代理人
主权项
地址
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