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经营范围
发明名称
Improvements in devices for feeding an addition into a metallic melt
摘要
申请公布号
GB787437(A)
申请公布日期
1957.12.11
申请号
GB19550021107
申请日期
1955.07.21
申请人
GUTEHOFFNUNGSHUTTE STERKRADE AKTIENGESELLSCHAFT
发明人
分类号
C21C1/10
主分类号
C21C1/10
代理机构
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