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经营范围
发明名称
Perfectionnements aux machines de flottation
摘要
申请公布号
FR1081802(A)
申请公布日期
1954.12.23
申请号
FRD1081802
申请日期
1947.04.11
申请人
SOCIETE GENERALE DES GRAPHITES
发明人
CARBONNIER ROBERT
分类号
B03D1/16
主分类号
B03D1/16
代理机构
代理人
主权项
地址
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