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经营范围
发明名称
Alloys
摘要
申请公布号
US1863159(A)
申请公布日期
1932.06.14
申请号
US19280273156
申请日期
1928.04.26
申请人
ABBOTT HADFIELD ROBERT
发明人
HADFIELD ROBERT ABBOTT
分类号
C22C38/44
主分类号
C22C38/44
代理机构
代理人
主权项
地址
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