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发明名称
Multiple-bend metal-bending machine
摘要
申请公布号
US2557346(A)
申请公布日期
1951.06.19
申请号
US19480032657
申请日期
1948.06.12
申请人
GREEN LEE B
发明人
GREEN LEE B.
分类号
B21D5/04;B21D11/20
主分类号
B21D5/04
代理机构
代理人
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地址
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