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发明名称
HEATING AND HOT WORKING OF METALS
摘要
申请公布号
GB1480739(A)
申请公布日期
1977.07.20
申请号
GB19730049829
申请日期
1974.10.25
申请人
LEE & SONS LTD A
发明人
分类号
B23K20/04;C21D8/06;C21D9/567;(IPC1-7):B23P3/06
主分类号
B23K20/04
代理机构
代理人
主权项
地址
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