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发明名称
Procédé de fabrication de noyaux en masse
摘要
申请公布号
FR746502(A)
申请公布日期
1933.05.30
申请号
FRD746502
申请日期
1932.11.28
申请人
SIEMENS & HALSKE AKTIEN-GESELLSCHAFT
发明人
分类号
H01F1/24
主分类号
H01F1/24
代理机构
代理人
主权项
地址
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