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发明名称
Dispositif d'amenée de courant à accommodation automatique applicable en particulier aux appareils acoustiques
摘要
申请公布号
FR713063(A)
申请公布日期
1931.10.21
申请号
FRD713063
申请日期
1931.03.11
申请人
发明人
NEWMANN ALEXANDER MORRIS;SUCHOMSKI JOSEPH
分类号
H04R21/02
主分类号
H04R21/02
代理机构
代理人
主权项
地址
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