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发明名称
Improvements in or relating to ring rolling mill
摘要
申请公布号
GB651176(A)
申请公布日期
1951.03.14
申请号
GB19480023246
申请日期
1948.09.03
申请人
HEPPENSTALL COMPANY
发明人
分类号
B21H1/06
主分类号
B21H1/06
代理机构
代理人
主权项
地址
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