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发明名称
UN PROCEDIMIENTO PARA LA FABRICACIoN DE HILOS, CINTAS Y PELiCULAS, MEDIANTE SOLUCIONES DE ESTERES O ÉTERES CELULoSICOS.
摘要
申请公布号
ES116071(A3)
申请公布日期
1930.01.16
申请号
ES19710001160
申请日期
1929.12.14
申请人
RUTH - ALDO CO., INC.
发明人
分类号
(IPC1-7):D01
主分类号
(IPC1-7):D01
代理机构
代理人
主权项
地址
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