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发明名称
METODO PARA HERMETIZAR UNA COSTURA DE CHAPAS METALICAS
摘要
申请公布号
ES504892(D0)
申请公布日期
1982.06.16
申请号
ES19920005048
申请日期
1981.08.21
申请人
CALVETE MONTORIO JUAN
发明人
分类号
B21D39/00;B21D51/44;(IPC1-7):21D39/00;21D51/44
主分类号
B21D39/00
代理机构
代理人
主权项
地址
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