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发明名称
JUANTA DE ESTANQUIEDAD Y DILATACION PARA CONSTRUCCION.
摘要
申请公布号
ES227026(Y)
申请公布日期
1977.09.01
申请号
ES19260002270U
申请日期
1977.03.01
申请人
发明人
分类号
E04B;(IPC1-7):04B/
主分类号
E04B
代理机构
代理人
主权项
地址
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