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发明名称
MEJORAS INTRODUCIDAS EN EL OBJETO DE LA PATENTE PRINCIPAL NuM 133673
摘要
申请公布号
ES134104(A2)
申请公布日期
1934.07.16
申请号
ES19040001341
申请日期
1934.04.11
申请人
R.S.I.G. FARBENINDUSTRIE A.G.
发明人
分类号
(IPC1-7):C07
主分类号
(IPC1-7):C07
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