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发明名称
FRIKSJONSDREVET EKSTRUDERING.
摘要
申请公布号
NO830980(A)
申请公布日期
1983.03.21
申请号
NO19830000980
申请日期
1983.03.21
申请人
BICC PUBLIC LTD CO,
发明人
FAIREY, NORMAN REGINALD,
分类号
B21C;B21C23/00;B21C25/02;(IPC1-7):B21C/
主分类号
B21C
代理机构
代理人
主权项
地址
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