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发明名称
Improvements in or relating to magnetic fluids
摘要
申请公布号
GB670818(A)
申请公布日期
1952.04.23
申请号
GB19490028611
申请日期
1949.11.08
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;ALFRED BLOCH
发明人
分类号
H01F1/44
主分类号
H01F1/44
代理机构
代理人
主权项
地址
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