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发明名称
Зуборезный инструмент, в частности долбяк, для предварительного нарезания шестерен методом обкатки
摘要
申请公布号
SU78762(A1)
申请公布日期
1948.11.30
申请号
SU19470371582
申请日期
1947.11.30
申请人
KRAJTMAN P.I.
发明人
KRAJTMAN P.I.
分类号
B23F21/10
主分类号
B23F21/10
代理机构
代理人
主权项
地址
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