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发明名称
Embudo o tubo de hilar para la hilatura de rayón celulosa regenerada
摘要
申请公布号
ES51471(U)
申请公布日期
1956.01.16
申请号
ES19710000514U
申请日期
1955.11.29
申请人
LA SEDA DE BARCELONA S.A
发明人
分类号
主分类号
代理机构
代理人
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