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发明名称
An improved machine for hobbing toothed spur wheels
摘要
申请公布号
GB940893(A)
申请公布日期
1963.11.06
申请号
GB19610033642
申请日期
1961.09.20
申请人
HANS HURTH;FRITZ HURTH
发明人
分类号
B23F5/22
主分类号
B23F5/22
代理机构
代理人
主权项
地址
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