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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCION DE EMPAQUETADURAS DE LABERINTO PARA MAQUINAS ROTATIVAS HIDRAULICAS.
摘要
申请公布号
ES355708(A1)
申请公布日期
1970.03.01
申请号
ES19080003557
申请日期
1968.07.03
申请人
ESCHER WYSS A. G.
发明人
分类号
F03B11/00;F04D29/16;(IPC1-7):16J/
主分类号
F03B11/00
代理机构
代理人
主权项
地址
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