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发明名称
METHOD OF WORKING HOLES
摘要
申请公布号
SU1493390(A1)
申请公布日期
1989.07.15
申请号
SU19874155136
申请日期
1987.12.03
申请人
KIROVOGRADSKIJ I SELSKOKHOZYAJSTVENNOGO MASHINOSTROENIYA
发明人
VOLCHKEVICH LEONID I,SU;BEZUGLYJ LEONID I,SU
分类号
B23B35/00
主分类号
B23B35/00
代理机构
代理人
主权项
地址
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