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经营范围
发明名称
Improvements in or relating to the casting of steel or a steel alloy under vacuum
摘要
申请公布号
GB795982(A)
申请公布日期
1958.06.04
申请号
GB19550036203
申请日期
1955.12.16
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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