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发明名称
UNA DISPOSICION DE ESTRUCTURA ANULAR PARA SOPORTAR UNA HI- LERA DE ESTIRADO.
摘要
申请公布号
ES333641(A1)
申请公布日期
1968.03.16
申请号
ES19410003336
申请日期
1966.11.22
申请人
CALUMET & HECLA, INC.
发明人
分类号
B21C1/00;B21C3/12;H03H9/05;(IPC1-7):B21F/
主分类号
B21C1/00
代理机构
代理人
主权项
地址
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