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发明名称
UNOS PERFECCIONAMIENTOS EN EL GRABADO DE SUPERFICIES META- LICAS.
摘要
申请公布号
ES371084(A1)
申请公布日期
1972.04.01
申请号
ES19840003710
申请日期
1969.08.14
申请人
PIPO PIE
发明人
分类号
(IPC1-7):23B/
主分类号
(IPC1-7):23B/
代理机构
代理人
主权项
地址
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