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发明名称
METAL DRAWING DIE
摘要
申请公布号
CA347907(A)
申请公布日期
1935.01.29
申请号
CAD347907
申请日期
申请人
THE UNION DRAWN STEEL COMPANY
发明人
HARRY HAMILTON RICHARDSON
分类号
主分类号
代理机构
代理人
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