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发明名称
Circuits d'accord perfectionnés
摘要
申请公布号
FR833786(A)
申请公布日期
1938.10.31
申请号
FRD833786
申请日期
1938.02.15
申请人
HAZELTINE CORPORATION
发明人
分类号
H01F21/06;H03J3/28
主分类号
H01F21/06
代理机构
代理人
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