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发明名称
DISPOSITIVO PARA EL TRATAMIENTO TÉRMICO DE PIEZAS DE ACERO RáPIDO Y MáS ESPECIALMENTE DE SEGMENTOS DE SIERRAS DE ACERO RáPIDO AL TUNGSTENO
摘要
申请公布号
ES197627(A1)
申请公布日期
1953.07.01
申请号
ES19270001976
申请日期
1951.04.27
申请人
SMAL, GILLES
发明人
分类号
(IPC1-7):C21
主分类号
(IPC1-7):C21
代理机构
代理人
主权项
地址
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