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经营范围
发明名称
Transporteur de taille
摘要
申请公布号
FR1292571(A)
申请公布日期
1962.05.04
申请号
FR19610865227
申请日期
1961.06.16
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
分类号
E21F13/10
主分类号
E21F13/10
代理机构
代理人
主权项
地址
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