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发明名称
Work supporting and driving mechanism
摘要
申请公布号
US1912987(A)
申请公布日期
1933.06.06
申请号
US19300442562
申请日期
1930.04.08
申请人
JONES & LAMSON MACHINE COMPANY
发明人
LOVELY JOHN E.
分类号
B23B31/12
主分类号
B23B31/12
代理机构
代理人
主权项
地址
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