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经营范围
发明名称
Perfectionnement aux lubrifiants
摘要
申请公布号
FR61940(E)
申请公布日期
1955.05.31
申请号
FRD61940
申请日期
1951.08.10
申请人
发明人
LEPP HENRY
分类号
主分类号
代理机构
代理人
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