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发明名称
UN PROCEDIMIENTO PARA LA OBTENCION DE COLORANTES PIGMENTARIOS VALIOSOS
摘要
申请公布号
ES142976(A2)
申请公布日期
1936.10.16
申请号
ES19760001429
申请日期
1936.08.07
申请人
I. G. FARBENINDUSTRIE A.G.
发明人
分类号
(IPC1-7):C09
主分类号
(IPC1-7):C09
代理机构
代理人
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