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发明名称
Batterie de tubes-outils et machine appliquant de telles batteries pour le débitage de matériaux pierreux et travaux similaires
摘要
申请公布号
FR1073981(A)
申请公布日期
1954.09.30
申请号
FRD1073981
申请日期
1952.11.04
申请人
SONAPAR
发明人
分类号
E21C25/58
主分类号
E21C25/58
代理机构
代理人
主权项
地址
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