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发明名称
Rolling sheets
摘要
申请公布号
US1839789(A)
申请公布日期
1932.01.05
申请号
US19270232286
申请日期
1927.11.10
申请人
UNITED ENGINEERING & FOUNDRY COMPANY
发明人
JOHNSON LANE
分类号
B21B1/24
主分类号
B21B1/24
代理机构
代理人
主权项
地址
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