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发明名称
METODO DE FABRICACION DE SUPERFICIES DE TRABAJO DE MATRICES Y MOLDES EMPLEANDO EXPLOSIVOS
摘要
申请公布号
CU34675(A)
申请公布日期
1979.06.01
申请号
CU19770034675
申请日期
1977.02.18
申请人
CENTRO NAC INVEST CIENT
发明人
MARINO PIERRE,GABRIEL,CU
分类号
(IPC1-7):B23P3/09
主分类号
(IPC1-7):B23P3/09
代理机构
代理人
主权项
地址
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