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发明名称
Method for manufacturing metal sheets
摘要
申请公布号
US2212195(A)
申请公布日期
1940.08.20
申请号
US19370158364
申请日期
1937.08.10
申请人
LEWELLEN DARCY E;LEWELLEN EMMONS F
发明人
LEWELLEN DARCY E.;LEWELLEN EMMONS F.
分类号
B21B35/08
主分类号
B21B35/08
代理机构
代理人
主权项
地址
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