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发明名称
EXTRUSION DIES
摘要
申请公布号
GB8431667(D0)
申请公布日期
1985.01.30
申请号
GB19840031667
申请日期
1984.12.14
申请人
ALCAN INTERNATIONAL LTD
发明人
分类号
B21C25/02
主分类号
B21C25/02
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代理人
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