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发明名称
Improvements in and relating to the production of pipeless ingots
摘要
申请公布号
GB510963(A)
申请公布日期
1939.08.10
申请号
GB19380004260
申请日期
1938.02.10
申请人
THE M. W. KELLOGG COMPANY
发明人
分类号
B22D27/06;B23P6/00
主分类号
B22D27/06
代理机构
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