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发明名称
Méthode et appareil pour essais de résistance à l'usure
摘要
申请公布号
FR1071779(A)
申请公布日期
1954.09.06
申请号
FRD1071779
申请日期
1952.10.03
申请人
COMPAGNIE FRANCAISE THOMSON-HOUSTON
发明人
分类号
G01N3/56
主分类号
G01N3/56
代理机构
代理人
主权项
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