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经营范围
发明名称
étançon de mines
摘要
申请公布号
FR54021(E)
申请公布日期
1947.03.27
申请号
FRD54021
申请日期
1945.07.23
申请人
J. SABES & COMPAGNIE
发明人
分类号
E21D15/28
主分类号
E21D15/28
代理机构
代理人
主权项
地址
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