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发明名称
Apparatus for forming sheets into compound curves by drawing over forming elements in a succession of forming stages
摘要
申请公布号
US2851080(A)
申请公布日期
1958.09.09
申请号
US19550486773
申请日期
1955.02.08
申请人
FROHMAN ANDERSON
发明人
ANDERSON FROHMAN
分类号
B21D5/06;B21D11/02;B21D25/02
主分类号
B21D5/06
代理机构
代理人
主权项
地址
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