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发明名称
Cutting sheet material into blanks
摘要
申请公布号
US2600834(A)
申请公布日期
1952.06.17
申请号
US19470793715
申请日期
1947.12.24
申请人
OLIN INDUSTRIES, INC.
发明人
BLAIR EMILE
分类号
B21D28/06
主分类号
B21D28/06
代理机构
代理人
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