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发明名称
APARATO PARA REALIZAR COLLARINES DE CIERRE SOBRE TUBOS.
摘要
申请公布号
ES231892(Y)
申请公布日期
1978.05.16
申请号
ES19920002318U
申请日期
1976.10.11
申请人
发明人
分类号
B21D41/02;(IPC1-7):21D/
主分类号
B21D41/02
代理机构
代理人
主权项
地址
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