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发明名称
Буровой ударный станок
摘要
申请公布号
SU35762(A1)
申请公布日期
1934.04.30
申请号
SU19300062501
申请日期
1930.01.17
申请人
DAKHNOV V.N.
发明人
DAKHNOV V.N.
分类号
E21B1/02
主分类号
E21B1/02
代理机构
代理人
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地址
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