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发明名称
UN SISTEMA DE CONSTRUCCIoN A BASE DE ELEMENTOS PROVISTOS DE AGUJEROS Y UNIDOS UNOS CON OTROS POR MEDIO DE PERNOS
摘要
申请公布号
ES219341(A1)
申请公布日期
1955.09.16
申请号
ES19410002193
申请日期
1954.12.30
申请人
LACKNER, JOSEF;LANG, GUENTHER
发明人
分类号
(IPC1-7):E04
主分类号
(IPC1-7):E04
代理机构
代理人
主权项
地址
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