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经营范围
发明名称
Extrusion mill
摘要
申请公布号
US2354924(A)
申请公布日期
1944.08.01
申请号
US19410374447
申请日期
1941.01.15
申请人
MEAKIN EDGAR T
发明人
MEAKIN EDGAR T.
分类号
B21K5/20;B30B11/22
主分类号
B21K5/20
代理机构
代理人
主权项
地址
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