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发明名称
PERFECCIONAMIENTOS EN LOS APARATOS VARIADORES DE VELOCIDAD CON POLEAS EXTENSIBLES
摘要
申请公布号
ES214549(A1)
申请公布日期
1954.09.16
申请号
ES19490002145
申请日期
1954.03.30
申请人
SANMARTI MARTINEZ, TEODORO
发明人
分类号
(IPC1-7):F16
主分类号
(IPC1-7):F16
代理机构
代理人
主权项
地址
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