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发明名称
MEJORAS INTRODUCIDAS EN EL OBJETO DE LA PATENTE PRINCIPAL NuMERO 150918
摘要
申请公布号
ES150953(A2)
申请公布日期
1942.06.01
申请号
ES19530001509
申请日期
1940.11.22
申请人
I. G. FARBENINDUSTRIE A.G.
发明人
分类号
(IPC1-7):C23
主分类号
(IPC1-7):C23
代理机构
代理人
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地址
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