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发明名称
A METHOD OF PRODUCING ROUND BAR BY STRETCH FORGING
摘要
申请公布号
GB1247135(A)
申请公布日期
1971.09.22
申请号
GB19700016885
申请日期
1970.04.09
申请人
PER-OLOF STRANDELL
发明人
PER-OLOF STRANDELL
分类号
B21J13/02
主分类号
B21J13/02
代理机构
代理人
主权项
地址
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