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发明名称
Способ прокатки спиральных сверл и станок для осуществления этого способа
摘要
申请公布号
SU66616(A1)
申请公布日期
1945.11.30
申请号
SU19440332237
申请日期
1944.04.17
申请人
RYBIN A.I.;RYABKO KH.G.
发明人
RYBIN A.I.;RYABKO KH.G.
分类号
B21H3/10
主分类号
B21H3/10
代理机构
代理人
主权项
地址
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