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发明名称
Cross rolling machine
摘要
申请公布号
US1979133(A)
申请公布日期
1934.10.30
申请号
US19300470827
申请日期
1930.07.26
申请人
ABRAMSEN PETTER B
发明人
ABRAMSEN PETTER B.
分类号
B21B19/02;F24F5/00
主分类号
B21B19/02
代理机构
代理人
主权项
地址
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