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发明名称
METHOD OF CROSS-SCREW PIERCING
摘要
申请公布号
RU2009739(C1)
申请公布日期
1994.03.30
申请号
SU19914950186
申请日期
1991.06.26
申请人
AKTSIONERNOE OBSHCHESTVO "CHELYABINSKIJ TRUBOPROKATNYJ ZAVOD"
发明人
LAPIN LEONID I;SAFYANOV ANATOLIJ V;SPIRIDONOV GENNADIJ I;IGNATEV VALERIJ V;GOLODYAGIN ALEKSANDR S
分类号
B21B19/04
主分类号
B21B19/04
代理机构
代理人
主权项
地址
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