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经营范围
发明名称
Improvements in or relating to a method and apparatus for threadrolling and similar shaping operations
摘要
申请公布号
GB888021(A)
申请公布日期
1962.01.24
申请号
GB19590042742
申请日期
1959.12.16
申请人
ROLF HOFER
发明人
分类号
B21H3/04
主分类号
B21H3/04
代理机构
代理人
主权项
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