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发明名称
Magnetic chuck
摘要
申请公布号
US2972485(A)
申请公布日期
1961.02.21
申请号
US19580777933
申请日期
1958.12.03
申请人
GENERAL MOTORS CORPORATION
发明人
FERCHLAND HAROLD W.
分类号
B23B31/28;B23Q3/154
主分类号
B23B31/28
代理机构
代理人
主权项
地址
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