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发明名称
Extrusion head and extrusion process employing said head
摘要
申请公布号
GB800527(A)
申请公布日期
1958.08.27
申请号
GB19560007876
申请日期
1956.03.13
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
分类号
B29C47/06
主分类号
B29C47/06
代理机构
代理人
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