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发明名称
EXTRUSION OF METAL
摘要
申请公布号
CA629319(A)
申请公布日期
1961.10.17
申请号
CAD629319
申请日期
申请人
THE INTERNATIONAL NICKEL COMPANY OF CANADA
发明人
ALEXANDER B. GRAHAM
分类号
主分类号
代理机构
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