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发明名称
Perfectionnements à la préparation de surfaces brillantes sur des produits en aluminium ou en alliage d'aluminium
摘要
申请公布号
FR948986(A)
申请公布日期
1949.08.17
申请号
FRD948986
申请日期
1947.07.04
申请人
ALUMINUM COMPANY OF AMERICA
发明人
分类号
C25F3/20
主分类号
C25F3/20
代理机构
代理人
主权项
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