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发明名称
Method of structurally modifying the surfaces of metal bodies
摘要
申请公布号
US1866538(A)
申请公布日期
1932.07.12
申请号
US19280292377
申请日期
1928.07.13
申请人
A. O. SMITH CORPORATION
发明人
ANDRUS ORRIN E.
分类号
C21D1/40
主分类号
C21D1/40
代理机构
代理人
主权项
地址
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