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发明名称
摘要
申请公布号
SU419360(A1)
申请公布日期
1974.03.15
申请号
SU19711678352
申请日期
1971.07.05
申请人
发明人
分类号
B23Q3/08;(IPC1-7):B23Q3/08
主分类号
B23Q3/08
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