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发明名称
Verfahren zum optischen Aufhellen von mehr oder weniger farblosen Trägern
摘要
申请公布号
AT206398(B)
申请公布日期
1959.11.25
申请号
AT19580008994
申请日期
1958.05.28
申请人
J. R. GEIGY A.-G.
发明人
分类号
主分类号
代理机构
代理人
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