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发明名称
Improvements in apparatus and method for working sheet metal and other sheet material
摘要
申请公布号
GB600260(A)
申请公布日期
1948.04.05
申请号
GB19450001547
申请日期
1945.01.18
申请人
FROHMAN ANDERSON
发明人
分类号
B21D5/04
主分类号
B21D5/04
代理机构
代理人
主权项
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