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发明名称
Fremgangsmåde til fremstilling af kærner til elektromagneter.
摘要
申请公布号
DK75584(C)
申请公布日期
1953.03.16
申请号
DK19500000305
申请日期
1950.01.30
申请人
AKSJESELSKAPET PROTON
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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