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发明名称
PERFECCIONAMIENTOS EN LA FABRICACION DE PIEZAS DE HORMIGON PLASTIFICADAS.
摘要
申请公布号
ES448285(A1)
申请公布日期
1977.07.16
申请号
ES19850004482
申请日期
1976.05.28
申请人
FRANZ VON LAUFENBERG
发明人
分类号
B28B;B29C;(IPC1-7):28B/;29C/
主分类号
B28B
代理机构
代理人
主权项
地址
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