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发明名称
Welded steel cooling plates
摘要
申请公布号
US1830318(A)
申请公布日期
1931.11.03
申请号
US19270234162
申请日期
1927.11.18
申请人
BETHLEHEM STEEL COMPANY
发明人
HARLAN BENJAMIN J.
分类号
C21B7/10
主分类号
C21B7/10
代理机构
代理人
主权项
地址
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