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经营范围
发明名称
Rolling mill
摘要
申请公布号
US2780948(A)
申请公布日期
1957.02.12
申请号
US19540409145
申请日期
1954.02.09
申请人
AKTIEBOLAGET SVENSKA METALLVERKEN
发明人
FREDRIKSSON PER SVEN ENGELBREKT
分类号
B21B21/00
主分类号
B21B21/00
代理机构
代理人
主权项
地址
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