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发明名称
Improvements in and relating to the refining and casting of metals
摘要
申请公布号
GB367246(A)
申请公布日期
1932.02.18
申请号
GB19310013137
申请日期
1931.05.04
申请人
HEREUS-VACUUMSCHMELZE AKTIENGESELLSCHAFT;WILHELM ROHN
发明人
分类号
B22D18/06
主分类号
B22D18/06
代理机构
代理人
主权项
地址
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