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发明名称
Verfahren zur Herstellung eines optischen Aufhellungsmittels.
摘要
申请公布号
CH304253(A)
申请公布日期
1954.12.31
申请号
CHD304253
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
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