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发明名称
Method of making composite ferrous articles
摘要
申请公布号
US2023908(A)
申请公布日期
1935.12.10
申请号
US19320591816
申请日期
1932.02.09
申请人
JESSOP STEEL COMPANY
发明人
TREMBOUR MAX R.
分类号
B23K20/227
主分类号
B23K20/227
代理机构
代理人
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