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发明名称
IMPROVEMENTS IN OR RELATING TO METHODS OF REDUCING THE CROSS-SECTIONAL AREA OF A METAL ARTICLE
摘要
申请公布号
GB1285872(A)
申请公布日期
1972.08.16
申请号
GB19680031073
申请日期
1968.06.28
申请人
THE ELECTRICITY COUNCIL
发明人
ROY HAROLD JOHNSON
分类号
B21C1/00
主分类号
B21C1/00
代理机构
代理人
主权项
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