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发明名称
Improvements relating to methods and apparatus for forming screw threads
摘要
申请公布号
GB1098746(A)
申请公布日期
1968.01.10
申请号
GB19650013861
申请日期
1965.04.01
申请人
AMERICAN FLANGE & MANUFACTURING CO. INC.
发明人
分类号
B21D51/50;B21H3/00
主分类号
B21D51/50
代理机构
代理人
主权项
地址
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