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发明名称
Guía de válvula perfeccionada para motor de explosión. ¿
摘要
申请公布号
ES20084(Y)
申请公布日期
1949.11.16
申请号
ES19840000200U
申请日期
1949.05.14
申请人
COMA DEVESA, JUAN
发明人
分类号
主分类号
代理机构
代理人
主权项
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