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发明名称
Improvements in or relating to alloys and to articles made therefrom
摘要
申请公布号
GB337893(A)
申请公布日期
1930.11.13
申请号
GB19290027627
申请日期
1929.09.11
申请人
ROBERT ABBOTT HADFIELD
发明人
分类号
C22C38/22
主分类号
C22C38/22
代理机构
代理人
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