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发明名称
Steel alloy
摘要
申请公布号
US1877962(A)
申请公布日期
1932.09.20
申请号
US19290352925
申请日期
1929.04.05
申请人
THE FIRM DEUTSCHE EDELSTAHLWERKE A.-G.
发明人
POLZGUTER FRANZ
分类号
C22C38/34
主分类号
C22C38/34
代理机构
代理人
主权项
地址
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