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经营范围
发明名称
Improvements in and relating to the teeth of toothed bevel wheels
摘要
申请公布号
GB406022(A)
申请公布日期
1934.02.15
申请号
GB19320022902
申请日期
1932.08.15
申请人
P.I.V. KETTEN & GETRIEBE G.M.B.H.
发明人
分类号
B23F5/12
主分类号
B23F5/12
代理机构
代理人
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地址
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