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发明名称
摘要
申请公布号
SU366055(A2)
申请公布日期
1973.01.16
申请号
SU19711623577
申请日期
1971.02.23
申请人
发明人
分类号
B23Q1/76;(IPC1-7):B23Q1/24
主分类号
B23Q1/76
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代理人
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地址
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