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发明名称
Magnéto pour appel téléphonique et applications analogues
摘要
申请公布号
FR866213(A)
申请公布日期
1941.07.15
申请号
FRD866213
申请日期
1940.03.11
申请人
SOCIETE DES TELEPHONES ERICSSON
发明人
分类号
H02K21/32
主分类号
H02K21/32
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代理人
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