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经营范围
发明名称
Improvements in or relating to thread rolling heads
摘要
申请公布号
GB961657(A)
申请公布日期
1964.06.24
申请号
GB19590032103
申请日期
1959.09.21
申请人
ARTHUR PERCY WARREN
发明人
分类号
B21H3/04
主分类号
B21H3/04
代理机构
代理人
主权项
地址
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