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发明名称
Procédé et appareil pour le conditionnement de trous forés
摘要
申请公布号
FR1291837(A)
申请公布日期
1962.04.27
申请号
FR19610859395
申请日期
1961.04.20
申请人
发明人
KAMMERER ARCHER WILLIAM
分类号
E21B10/32
主分类号
E21B10/32
代理机构
代理人
主权项
地址
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