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发明名称
Improvements in or relating to the vacuum treatment of steel during casting
摘要
申请公布号
GB885993(A)
申请公布日期
1962.01.03
申请号
GB19580017051
申请日期
1958.05.28
申请人
BOCHUMER VEREIN FUER GUSSSTAHLFABRIKATION AKTIENGESELLSCHAFT
发明人
分类号
B22D18/06;C21C7/10
主分类号
B22D18/06
代理机构
代理人
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