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发明名称
A method of producing ingots from metals of high crystallising speed such as aluminium and its alloys
摘要
申请公布号
GB339624(A)
申请公布日期
1930.12.08
申请号
GB19290020906
申请日期
1929.07.08
申请人
HANS ROEHRIG
发明人
分类号
B22D7/00
主分类号
B22D7/00
代理机构
代理人
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