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经营范围
发明名称
Extrusion mill
摘要
申请公布号
US2336114(A)
申请公布日期
1943.12.07
申请号
US19410418781
申请日期
1941.11.12
申请人
MEAKIN EDGAR N
发明人
MEAKIN EDGAR N.
分类号
B30B11/20
主分类号
B30B11/20
代理机构
代理人
主权项
地址
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