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经营范围
发明名称
Machines d'extraction minière
摘要
申请公布号
FR1144255(A)
申请公布日期
1957.10.11
申请号
FRD1144255
申请日期
1955.12.19
申请人
GOODMAN MANUFACTURING COMPANY
发明人
分类号
E21C27/22
主分类号
E21C27/22
代理机构
代理人
主权项
地址
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