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经营范围
发明名称
MEJORAS INTRODUCIDAS EN LA PATENTE PRINCIPAL
摘要
申请公布号
ES188038(A2)
申请公布日期
1949.08.15
申请号
ES19380001880
申请日期
1949.04.30
申请人
SOCIETE INDUSTRIELLE DES DERIVES DU SOUFRE
发明人
分类号
(IPC1-7):C08
主分类号
(IPC1-7):C08
代理机构
代理人
主权项
地址
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