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发明名称
Cobble removal from push benches
摘要
申请公布号
US1982677(A)
申请公布日期
1934.12.04
申请号
US19320613191
申请日期
1932.05.24
申请人
JONES & LAUGHLIN STEEL CORPORATION
发明人
LITTLER CARL W.
分类号
B21C1/26
主分类号
B21C1/26
代理机构
代理人
主权项
地址
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