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发明名称
PERFECCIONAMIENTOS EN LOS ENCOFRADOS DE HORMIGON PARA LA CONSTRUCCION DE SUPERFICIES HORIZONTALES.
摘要
申请公布号
ES371652(A1)
申请公布日期
1971.11.16
申请号
ES19520003716
申请日期
1969.09.18
申请人
BALCELLS RODON
发明人
分类号
E04G;(IPC1-7):04G/
主分类号
E04G
代理机构
代理人
主权项
地址
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