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发明名称
SPIRAL DRILL
摘要
申请公布号
SU1750856(A2)
申请公布日期
1992.07.30
申请号
SU19904850432
申请日期
1990.07.09
申请人
KURILOV VIKTOR V,SU
发明人
KURILOV VIKTOR V,SU
分类号
B23B51/02
主分类号
B23B51/02
代理机构
代理人
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