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发明名称
Automatic tool driving machine
摘要
申请公布号
US1962489(A)
申请公布日期
1934.06.12
申请号
US19330672923
申请日期
1933.05.26
申请人
AXEL E. NYGREEN
发明人
ELBERT CLIFFORD R.
分类号
B24B27/00
主分类号
B24B27/00
代理机构
代理人
主权项
地址
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