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发明名称
Machine tool
摘要
申请公布号
US2388265(A)
申请公布日期
1945.11.06
申请号
US19430505492
申请日期
1943.10.08
申请人
JOHNSON ROBERT A
发明人
JOHNSON ROBERT A.
分类号
B23B7/02
主分类号
B23B7/02
代理机构
代理人
主权项
地址
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