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发明名称
PERFECCIONAMIENTOS EN TRANSDUCTORES PARA CONVERTIR ENERGIA ELECTRICA EN MECANICA.
摘要
申请公布号
ES466920(A1)
申请公布日期
1978.10.01
申请号
ES19200004669
申请日期
1978.02.13
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
分类号
H04R;(IPC1-7):04R/
主分类号
H04R
代理机构
代理人
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