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发明名称
Спиральное сверло или зенкер
摘要
申请公布号
SU61399(A1)
申请公布日期
1941.11.30
申请号
SU19390027374
申请日期
1939.11.09
申请人
BONYUK S.V.
发明人
BONYUK S.V.
分类号
B23B51/02;B23B51/10
主分类号
B23B51/02
代理机构
代理人
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