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经营范围
发明名称
Improvements in or relating to permanent magnets
摘要
申请公布号
GB659527(A)
申请公布日期
1951.10.24
申请号
GB19490014647
申请日期
1949.06.01
申请人
WILLIAM JESSOP AND SONS LIMITED
发明人
分类号
C22C38/16
主分类号
C22C38/16
代理机构
代理人
主权项
地址
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