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发明名称
Apparatus for forming sheet metal articles
摘要
申请公布号
US2821945(A)
申请公布日期
1958.02.04
申请号
US19530376889
申请日期
1953.08.27
申请人
DONALD PECCERILL
发明人
PECCERILL DONALD
分类号
B21D22/12
主分类号
B21D22/12
代理机构
代理人
主权项
地址
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