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发明名称
Improvements in or relating to the production of steel billets
摘要
申请公布号
GB774820(A)
申请公布日期
1957.05.15
申请号
GB19550000291
申请日期
1955.01.05
申请人
KLOECKNER - HUETTENWERK HASPE AKTIENGESELLSCHAFT
发明人
分类号
B21B1/46
主分类号
B21B1/46
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