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发明名称
PROCEDIMIENTO Y DISPOSITIVO PARA LA FABRICACION DE UN MATERIAL POROSO POR CALENTAMIENTO, EN PARTICULAR DE ARCILLA ESPONJADA
摘要
申请公布号
ES264505(A1)
申请公布日期
1961.04.01
申请号
ES19050002645
申请日期
1961.01.31
申请人
VEIT DENNERT BAUSTOFFBETRIEBE KOMMANDITGESELLSCHAF
发明人
分类号
(IPC1-7):B28
主分类号
(IPC1-7):B28
代理机构
代理人
主权项
地址
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