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发明名称
Способ нанесения твердого сплава на режущие инструменты
摘要
申请公布号
SU21443(A1)
申请公布日期
1931.07.31
申请号
SU19300063090
申请日期
1930.01.26
申请人
RISKIN V.YA.
发明人
RISKIN V.YA.
分类号
B22D19/08;B22F7/08;B22F9/04
主分类号
B22D19/08
代理机构
代理人
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