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发明名称
Methods and apparatus for forming screw threads and screw threaded assemblies so formed
摘要
申请公布号
GB1102592(A)
申请公布日期
1968.02.07
申请号
GB19640023771
申请日期
1964.06.09
申请人
WELLINGTON ENGINEERING WORKS LIMITED
发明人
SHIRLEY JOHN WALLIS
分类号
B21D17/02;B21D39/04
主分类号
B21D17/02
代理机构
代理人
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