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发明名称
Treatment of metals
摘要
申请公布号
US1922037(A)
申请公布日期
1933.08.15
申请号
US19300464697
申请日期
1930.06.28
申请人
HARDY METALLURGICAL COMPANY
发明人
HARDY CHARLES
分类号
C22B9/10;C22C28/00
主分类号
C22B9/10
代理机构
代理人
主权项
地址
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