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发明名称
Extrusion method and apparatus
摘要
申请公布号
GB1146151(A)
申请公布日期
1969.03.19
申请号
GB19650012326
申请日期
1965.03.23
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
ALEXANDER JOHN MALCOLM;LENGYEL BELA
分类号
B21C23/00
主分类号
B21C23/00
代理机构
代理人
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