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发明名称
Спиральное сверло
摘要
申请公布号
SU110870(A1)
申请公布日期
1956.11.30
申请号
SU19520576148
申请日期
1952.04.15
申请人
OVCHINNIKOV P.YA.
发明人
OVCHINNIKOV P.YA.
分类号
B23B51/06;B23B51/02
主分类号
B23B51/06
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代理人
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