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经营范围
发明名称
UN PROCEDIMIENTO PARA ELIMINAR IMPUREZAS DE ARTiCULOS DE CARBoN O GRAFITO
摘要
申请公布号
ES223419(A1)
申请公布日期
1956.02.16
申请号
ES19190002234
申请日期
1955.08.09
申请人
UNION CARBIDE CORPORATION
发明人
分类号
(IPC1-7):C22
主分类号
(IPC1-7):C22
代理机构
代理人
主权项
地址
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