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经营范围
发明名称
Taillant pour forage de trous de mines et autres forages.
摘要
申请公布号
BE583472(A1)
申请公布日期
1960.02.01
申请号
BE19590583472
申请日期
1959.10.09
申请人
DIAMANT BOART, SOCIETE ANONYME BELGE
发明人
分类号
(IPC1-7):E21C
主分类号
(IPC1-7):E21C
代理机构
代理人
主权项
地址
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