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经营范围
发明名称
Improvements in or relating to machines for forming flanges on sheet metal
摘要
申请公布号
GB383554(A)
申请公布日期
1932.11.17
申请号
GB19320013364
申请日期
1932.05.09
申请人
THE ENGINEERING AND RESEARCH CORPORATION
发明人
分类号
B21D19/08
主分类号
B21D19/08
代理机构
代理人
主权项
地址
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