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发明名称
Verfahren zur Herstellung eines optischen Aufhellungsmittels.
摘要
申请公布号
CH304251(A)
申请公布日期
1954.12.31
申请号
CHD304251
申请日期
1949.06.01
申请人
J. R. GEIGY AG.
发明人
AG. J. R. GEIGY
分类号
主分类号
代理机构
代理人
主权项
地址
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