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发明名称
Improvements in the heating of metal in feeder-heads, risers or moulds
摘要
申请公布号
GB524383(A)
申请公布日期
1940.08.06
申请号
GB19380035773
申请日期
1938.12.08
申请人
THOMAS KRIEG WROE
发明人
分类号
B22D7/10
主分类号
B22D7/10
代理机构
代理人
主权项
地址
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