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发明名称
Metal treating compositions
摘要
申请公布号
US2521783(A)
申请公布日期
1950.09.12
申请号
US19490085041
申请日期
1949.04.01
申请人
FARBER JOHN D
发明人
FARBER JOHN D.
分类号
C10M173/00;C21D1/56
主分类号
C10M173/00
代理机构
代理人
主权项
地址
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