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发明名称
METHOD OF CALIBRATING HOLES
摘要
申请公布号
SU860915(A1)
申请公布日期
1981.09.07
申请号
SU19792861172
申请日期
1979.10.29
申请人
GUSEV VLADIMIR S,SU
发明人
GUSEV VLADIMIR S,SU
分类号
B21D41/02;B21C37/30;(IPC1-7):B21D41/02
主分类号
B21D41/02
代理机构
代理人
主权项
地址
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