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发明名称
Method and apparatus for shaping sheet-metal articles
摘要
申请公布号
US1749913(A)
申请公布日期
1930.03.11
申请号
US19270239222
申请日期
1927.12.10
申请人
HUDSON MOTOR CAR COMPANY
发明人
GROEHN OTTO JOHN
分类号
B21D5/02;B21D53/00
主分类号
B21D5/02
代理机构
代理人
主权项
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