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发明名称
Verfahren zur Herstellung eines lichtechten Gerbstoffes.
摘要
申请公布号
CH212126(A)
申请公布日期
1940.10.31
申请号
CHD212126
申请日期
1938.06.09
申请人
J. R. GEIGY A.-G.
发明人
A.-G. J. R. GEIGY
分类号
C14C3/20
主分类号
C14C3/20
代理机构
代理人
主权项
地址
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