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经营范围
发明名称
Transporteur fixe, utilisable notamment dans les exploitations minières
摘要
申请公布号
FR1069931(A)
申请公布日期
1954.07.13
申请号
FRD1069931
申请日期
1953.01.19
申请人
发明人
DUBOIS MICHEL
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
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