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发明名称
Procédé et appareil pour le perçage de conduits horizontaux, notamment pour des canalisations souterraines traversant une voie de communication
摘要
申请公布号
FR1261417(A)
申请公布日期
1961.05.19
申请号
FR19600823897
申请日期
1960.04.08
申请人
发明人
DEVIN ROGER
分类号
E21B7/04
主分类号
E21B7/04
代理机构
代理人
主权项
地址
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Bolt as a projectile for a crossbow
Cyclosporine enthaltende pharmazeutische Mittel.
