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发明名称
MEJORAS EN LA CONSTRUCCIËN DE DE BOMBAS ROTATORIAS DE VACIO
摘要
申请公布号
ES234747(A1)
申请公布日期
1957.10.01
申请号
ES19470002347
申请日期
1957.04.09
申请人
SISTEMAS IBERICOS, S.A.
发明人
分类号
F04C;(IPC1-7):F04C
主分类号
F04C
代理机构
代理人
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地址
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