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发明名称
Apparatus for working sheet metal
摘要
申请公布号
US2480826(A)
申请公布日期
1949.09.06
申请号
US19420431528
申请日期
1942.02.19
申请人
FROHMAN ANDERSON
发明人
ANDERSON FROHMAN
分类号
B21D5/04
主分类号
B21D5/04
代理机构
代理人
主权项
地址
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