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经营范围
发明名称
PROCEDIMIENTO PARA EL TROQUELADO DE CHAPA.
摘要
申请公布号
ES376327(A1)
申请公布日期
1972.04.01
申请号
ES19270003763
申请日期
1970.01.24
申请人
TARRAGONA MINGOT
发明人
分类号
B21J;(IPC1-7):21J/
主分类号
B21J
代理机构
代理人
主权项
地址
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