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经营范围
发明名称
Metal working apparatus
摘要
申请公布号
US2030562(A)
申请公布日期
1936.02.11
申请号
US19330699548
申请日期
1933.11.24
申请人
W. F. & JOHN BARNES COMPANY
发明人
BARNES HOPE;GUIRL PAUL R.
分类号
B23B5/14
主分类号
B23B5/14
代理机构
代理人
主权项
地址
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