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发明名称
Back-up means for straightening rolls
摘要
申请公布号
US3289448(A)
申请公布日期
1966.12.06
申请号
US19640341546
申请日期
1964.01.31
申请人
F. J. LITTELL MACHINE COMPANY
发明人
WIIG CHESTER M.
分类号
B21D1/02
主分类号
B21D1/02
代理机构
代理人
主权项
地址
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