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经营范围
发明名称
Sheet flattener
摘要
申请公布号
US1890342(A)
申请公布日期
1932.12.06
申请号
US19310527370
申请日期
1931.04.03
申请人
SUTTON ENGINEERING COMPANY
发明人
SUTTON JOHN BLAIR;WISE GEORGE A.
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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