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发明名称
Machine tool bit holder
摘要
申请公布号
US2541719(A)
申请公布日期
1951.02.13
申请号
US19460691913
申请日期
1946.08.21
申请人
PROKSA JOHN R
发明人
PROKSA JOHN R.
分类号
B23B27/16
主分类号
B23B27/16
代理机构
代理人
主权项
地址
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