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发明名称
Improvements in or relating to metal-coated magnetic powder
摘要
申请公布号
GB817698(A)
申请公布日期
1959.08.06
申请号
GB19570019671
申请日期
1957.06.21
申请人
ETABLISSEMENTS ED. JAEGER
发明人
分类号
B22F1/02;H01F1/00
主分类号
B22F1/02
代理机构
代理人
主权项
地址
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