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发明名称
Cadre pour l'exploitation de mines
摘要
申请公布号
FR1316824(A)
申请公布日期
1963.02.01
申请号
FR19620889869
申请日期
1962.03.02
申请人
发明人
GOLDAU HEINZ;BUSER KARL
分类号
E21D15/18
主分类号
E21D15/18
代理机构
代理人
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