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发明名称
SISTEMA DE IMPERMEABILIZACIËN DE TUBOS TRENZADOS, FLEXIBLES Y ELASTICOS
摘要
申请公布号
ES317829(A1)
申请公布日期
1966.04.16
申请号
ES19290003178
申请日期
1965.09.17
申请人
FILELLA FERRER, JUAN
发明人
分类号
B21D51/36;F16L;(IPC1-7):B21D51/36
主分类号
B21D51/36
代理机构
代理人
主权项
地址
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