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发明名称
Sheet metal forming machine
摘要
申请公布号
US2025360(A)
申请公布日期
1935.12.24
申请号
US19320585067
申请日期
1932.01.06
申请人
THE ENGINEERING AND RESEARCH CORPORATION
发明人
SIMMONS JAMES LEE
分类号
B21D5/04
主分类号
B21D5/04
代理机构
代理人
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